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add connection exception errors
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‎modules/ROOT/content-nav.adoc‎

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* xref:index.adoc[]
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* xref:errors/index.adoc[]
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** xref:errors/all-errors.adoc[]
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** xref:errors/gql-errors.adoc[]
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* xref:notifications/index.adoc[]
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** xref:notifications/all-notifications.adoc[]
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* xref:changelogs.adoc[]

‎modules/ROOT/pages/errors/gql-errors.adoc‎

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:description: This section describes the GQLSTATUS errors that Neo4j can return, grouped by category, and an example of when they can occur.
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[[neo4j-gqlstatus-errors]]
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= List of all GQLSTATUS server error codes
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The following page provides an overview of all server errors in Neo4j, along with some scenarios and their possible solutions.
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* <<_connection-exceptions, Connection exceptions>>
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* <<_database-exceptions, Database exceptions>>
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[[_connection-exceptions]]
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== Connection exceptions
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The following table lists the connection exceptions that can occur in Neo4j.
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=== 08000
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Notifies the client that an exception occurred during the connection.
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.Error details
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[cols="<1s,<4"]
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|===
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|GQLSTATUS code
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m|0800
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|Status description
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a|error: connection exception
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|Classification
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m|CLIENT_ERROR
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|SeverityLevel
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m|ERROR
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|===
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=== 08007
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Notifies the client that an exception occurred during the resolution of a transaction.
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.Error details
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[cols="<1s,<4"]
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|===
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|GQLSTATUS code
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m|08007
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|Status description
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|error: connection exception - transaction resolution unknown.
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|Classification
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m|CLIENT_ERROR
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|SeverityLevel
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m|ERROR
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|===
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=== 08N00
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Notifies the client that an exception occurred while trying to connect to a specified database.
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.Error details
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[cols="<1s,<4"]
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|===
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|GQLSTATUS code
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m|08N00
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|Status description
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a|error: connection exception - unable to connect to database. Unable to connect to database `$db`. Unable to get bolt address of the leader. Check the status of the database. Retrying your request at a later time may succeed.
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|Classification
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m|CLIENT_ERROR
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|SeverityLevel
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m|ERROR
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|===
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=== 08N01
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Notifies the client that an exception occurred while trying to write to a specified database.
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.Error details
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[cols="<1s,<4"]
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|===
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|GQLSTATUS code
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m|08N01
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|Status description
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a|error: connection exception - unable to write to database. Unable to write to database `$db` on this server. Server-side routing is disabled. Either connect to the database leader directly or enable server-side routing by setting `$cfgSetting=true`.
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|Classification
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m|CLIENT_ERROR
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|SeverityLevel
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m|ERROR
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|===
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=== 08N02
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Notifies the client that an exception occurred while trying to connect to a specified database.
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.Error details
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[cols="<1s,<4"]
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|===
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|GQLSTATUS code
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m|08N02
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|Status description
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a|error: connection exception - unable to route to database. Unable to connect to database `$db`. Server-side routing is disabled. Either connect to `$db` directly, or enable server-side routing by setting `$cfgSetting=true`.
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|Classification
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m|CLIENT_ERROR
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|SeverityLevel
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m|ERROR
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|===
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=== 08N03
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Notifies the client that an exception occurred while trying to connect to a specified database.
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.Error details
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[cols="<1s,<4"]
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|===
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|GQLSTATUS code
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m|08N03
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|Status description
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a|error: connection exception - failed to write to graph. Failed to write to graph `$graph`. Check the defined access mode in both driver and database.
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|Classification
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m|CLIENT_ERROR
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|SeverityLevel
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m|ERROR
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|===
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‎modules/ROOT/pages/errors/index.adoc‎

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:description: The Neo4j error codes for Neo4j version {neo4j-version}.
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[[error-codes]]
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:description: The Neo4j error codes for Neo4j version.
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[[neo4j-errors]]
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= Server errors
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Error codes are Neo4j status codes returned by the server when the execution of a query fails.
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They always have the severity level `ERROR`.
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Errors are grouped based on the type of the error code:
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[role=label--version-5.25]
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[[gqlstatus-error-object]]
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== GQL-status error object
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[[gqlstatus-standard-defined-codes]]
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=== Standard-defined GQLSTATUS codes
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Client errors::
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These errors are caused by the client and are usually related to the request itself.
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Client errors have the prefix `Neo.ClientError`.
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.Standard-defined GQLSTATUS error codes
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[options="header", cols="<1s,<4"]
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|===
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|GQLSTATUS code | StatusDescription
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| 08000 | error: connection exception
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| 08007 | error: connection exception - transaction resolution unknown
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| 22000 | error: data exception
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| 22001 | error: data exception - string data, right truncation
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| 22003 | error: data exception - numeric value out of range. The numeric value `$value` is outside the required range.
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| 22004 | error: data exception - null value not allowed
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| 22007 | error: data exception - invalid date, time, or datetime format
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| 22008 | error: data exception - datetime field overflow
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| 22011 | error: data exception - substring error
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| 22012 | error: data exception - division by zero
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| 22015 | error: data exception - interval field overflow
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| 22018 | error: data exception - invalid character value for cast. The character value `$value` is an invalid argument for the specified cast.
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| 2201E | error: data exception - invalid argument for natural logarithm. The value `$value` is an invalid argument for the specified natural logarithm.
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| 2201F | error: data exception - invalid argument for power function. The value `$value` is an invalid argument for the specified power function.
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| 22027 | error: data exception - trim error
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| 2202F | error: data exception - array data, right truncation
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| 22G02 | error: data exception - negative limit value
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| 22G03 | error: data exception - invalid value type
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| 22G04 | error: data exception - values not comparable
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| 22G05 | error: data exception - invalid date, time, or datetime function field name
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| 22G06 | error: data exception - invalid datetime function value
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| 22G07 | error: data exception - invalid duration function field name
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| 22G0B | error: data exception - list data, right truncation
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| 22G0C | error: data exception - list element error
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| 22G0F | error: data exception - invalid number of paths or groups
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| 22G0H | error: data exception - invalid duration format. The duration format `$format` is invalid.
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| 22G0M | error: data exception - multiple assignments to a graph element property
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| 22G0N | error: data exception - number of node labels below supported minimum
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| 22G0P | error: data exception - number of node labels exceeds supported maximum
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| 22G0Q | error: data exception - number of edge labels below supported minimum
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| 22G0R | error: data exception - number of edge labels exceeds supported maximum
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| 22G0S | error: data exception - number of node properties exceeds supported maximum
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| 22G0T | error: data exception - number of edge properties exceeds supported maximum
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| 22G0U | error: data exception - record fields do not match
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| 22G0V | error: data exception - reference value, invalid base type
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| 22G0W | error: data exception - reference value, invalid constrained type
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| 22G0X | error: data exception - record data, field unassignable
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| 22G0Y | error: data exception - record data, field missing
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| 22G0Z | error: data exception - malformed path
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| 22G10 | error: data exception - path data, right truncation
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| 22G11 | error: data exception - reference value, referent deleted
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| 22G12 | error: data exception - invalid value type
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| 22G13 | error: data exception - invalid group variable value
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| 22G14 | error: data exception - incompatible temporal instant unit groups
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| 25000 | error: invalid transaction state
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| 25G01 | error: invalid transaction state - active GQL-transaction
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| 25G02 | error: invalid transaction state - catalog and data statement mixing not supported
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| 25G03 | error: invalid transaction state - read-only GQL-transaction
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| 25G04 | error: invalid transaction state - accessing multiple graphs not supported
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| 2D000 | error: invalid transaction termination
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| 40000 | error: transaction rollback
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| 40003 | error: transaction rollback - statement completion unknown
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| 42000 | error: syntax error or access rule violation
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| 42001 | error: syntax error or access rule violation - invalid syntax
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| 42002 | error: syntax error or access rule violation - invalid reference
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| 42004 | error: syntax error or access rule violation - use of visually confusable identifiers
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| 42006 | error: syntax error or access rule violation - number of edge labels below supported minimum
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| 42007 | error: syntax error or access rule violation - number of edge labels exceeds supported maximum
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| 42008 | error: syntax error or access rule violation - number of edge properties exceeds supported maximum
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| 42009 | error: syntax error or access rule violation - number of node labels below supported minimum
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| 42010 | error: syntax error or access rule violation - number of node labels exceeds supported maximum
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| 42011 | error: syntax error or access rule violation - number of node properties exceeds supported maximum
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| 42012 | error: syntax error or access rule violation - number of node type key labels below supported minimum
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| 42013 | error: syntax error or access rule violation - number of node type key labels exceeds supported maximum
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| 42014 | error: syntax error or access rule violation - number of edge type key labels below supported minimum
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| 42015 | error: syntax error or access rule violation - number of edge type key labels exceeds supported maximum
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| G1000 | error: dependent object error
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| G1001 | error: dependent object error - edges still exist
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| G1002 | error: dependent object error - endpoint node is deleted
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| G1003 | error: dependent object error - endpoint node not in current working graph
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| G2000 | error: graph type violation
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|===
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Transient errors::
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These errors are detected by the server and are usually related to some kind of database unavailability, such as limits reached, out-of-memory, timeouts, etc.
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The error can be temporary and could therefore succeed if retrying the request.
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Transient errors have the prefix `Neo.TransientError`.
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[[gqlstatus-neo4j-defined-codes]]
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=== Neo4j-defined GQLSTATUS error codes
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Database errors::
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These errors are caused by the database and are usually related to the database state.
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Database errors have the prefix `Neo.DatabaseError`.

‎modules/ROOT/pages/index.adoc‎

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This document details all status codes that a Neo4j DBMS may return to indicate the outcome of a request.
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== GQL status codes
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== Format
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== Neo4j status codes
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=== Format
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Each Neo4j status code follows the same format:
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-----
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== Types of Neo4j status codes
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=== Types of Neo4j status codes
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The fact that a Neo4j status code is returned by the server does not always mean there is a fatal error.
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Neo4j status codes can also indicate transient problems that may go away if you retry the request.

‎modules/ROOT/pages/notifications/index.adoc‎

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!===
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|===
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=== Standard-defined GQLSTATUS notification codes
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The GQL standard defines a set of GQLSTATUS codes that are used to represent successful completion, warnings, and informational messages.
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The following table lists the standard-defined GQLSTATUS codes and their meanings:
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.Standard-defined GQLSTATUS notification codes
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[options="header", cols="<1s,<4"]
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|===
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|GQLSTATUS code | StatusDescription
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| 00000 | note: successful completion
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| 00001 | note: successful completion - omitted result
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| 01000 | warn: warning
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| 01004 | warn: string data, right truncation
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| 01G03 | warn: graph does not exist
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| 01G04 | warn: graph type does not exist
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| 01G11 | warn: null value eliminated in set function
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| 02000 | note: no data
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| 03000 | info: informational
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|===
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[[general-codes-for-success]]
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=== General codes for success
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// The following table illustrates the compatibility between the different server and driver versions for both the current Notification API and the GqlStatusObject API:
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// TODO
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>>>>>>> gql-notifications

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