Mathematica Notebook Assistant returns an error whenever I try to use it.

[guyupoloni]

Describe the issue in detail here. Attach any relevant screenshots or files. The section below was automatically generated. Remove any information that you do not wish to include in the report.

Chatbook/Source/Chatbook/PromptGenerators/VectorDatabases.wl

Line 656 in 586d3af

sizes = ConfirmMatch[ Values @ KeyTake[ $vectorDBDownloadSizes, names ], { __? Positive }, "Sizes" ];

Debug Data

Property	Value
Name	"Wolfram/Chatbook"
Version	"2.5.0"
ReleaseID	"586d3af0ec254ed07f6531a96e32f19791e349b6"
EvaluationEnvironment	"Session"
FrontEndVersion	"Desktop: 14.3 for Mac OS X ARM (64-bit) (July 8, 2025)"
KernelVersion	"14.3.0 for Mac OS X ARM (64-bit) (July 8, 2025)"
SystemID	"MacOSX-ARM64"
Notebooks	True
DynamicEvaluation	False
SynchronousEvaluation	False
TaskEvaluation	False

Settings

Property	Value
InheritanceTest	True
SetCellDingbat	False
TabbedOutput	False
WorkspaceChat	True
AllowSelectionContext	True
AppName	"NotebookAssistance"
LLMEvaluator	"NotebookAssistant"
MaxContextTokens	32768
MaxToolResponses	5
Model	<|"Service" -> "LLMKit", "Name" -> Automatic|>
PromptGenerators	{"RelatedDocumentation"}
ServiceCaller	"NotebookAssistance"
Tools	{"NotebookEditor"}
ToolOptions	<|"WolframLanguageEvaluator" -> <|"AppendURIPrompt" -> True, "Method" -> "Session"|>|>
AutoGenerateTitle	True
AutoSaveConversations	True
ConversationUUID	"f4192476-2359-4087-9923-dae52c13c481"
MinimumResponsesToSave	2
StyleSheetVersion	"2.3.48.3959923654"

Failure Data

<|
  "Evaluation" :> Wolfram`Chatbook`PromptGenerators`VectorDatabases`Private`downloadVectorDatabases["/Users/gp/Library/Wolfram/Objects/Chatbook/VectorDatabases/14-3", <|"DataRepositoryURIs" -> <|"CDN" -> "https://files.wolframcdn.com/VectorDatabases/DataRepositoryURIs/1.1.0/DataRepositoryURIs.zip", "Cloud" -> "https://www.wolframcloud.com/obj/wolframai-content/VectorDatabases/DataRepositoryURIs/1.1.0/DataRepositoryURIs.zip"|>, "DocumentationURIs" -> <|"CDN" -> "https://files.wolframcdn.com/VectorDatabases/Documen...,
  "Information" -> "Sizes@@Source/Chatbook/PromptGenerators/VectorDatabases.wl:656,17-656,109",
  "ConfirmationType" -> "ConfirmMatch",
  "Expression" :> {},
  "Pattern" -> {__?Positive},
  "Stack" :> Wolfram`Chatbook`Common`Private`$stack$38762,
  "Failure" -> Failure["ConfirmationFailed", <|"MessageTemplate" -> "Sizes@@Source/Chatbook/PromptGenerators/VectorDatabases.wl:656,17-656,109", "MessageParameters" -> {}, "ConfirmationType" -> "ConfirmMatch", "Expression" :> {}, "Information" -> "Sizes@@Source/Chatbook/PromptGenerators/VectorDatabases.wl:656,17-656,109", "Pattern" -> {__?Positive}|>],
  "Arguments" -> {}
|>

Stack Data

trimURL
throwFailure
getMaxItems
RelatedDocumentation
catchTop
formatGeneratedPrompt
catchTopAs
withChatState