pr review comment

Author: phil198

modules/ROOT/pages/errors/gql-errors/42N0E.adoc

@@ -5,7 +5,11 @@
 
 error: syntax error or access rule violation - cannot call function without metadata. The function  `{ <<fun>> }` cannot be called without metadata.
 
+== Explanation
+This error occurs when the metadata required by the function is missing from the context supplied. This is an internal error which would only ever appear in the logs.
 
+== Example scenario
+A function is called without the required metadata.
 
 ifndef::backend-pdf[]
 [discrete.glossary]

modules/ROOT/pages/errors/gql-errors/42N0F.adoc

@@ -5,7 +5,11 @@
 
 error: syntax error or access rule violation - cannot call function without metadata for realm. The function  `{ <<fun>> }` cannot be called without metadata for realm: { <<auth>> }.
 
+== Explanation
+This error occurs when the metadata for a specific security realm is missing from the context supplied. This is an internal error which would only ever appear in the logs.
 
+== Example scenario
+A function is called with a metadata dictionary, but there is no entry for the required realm.
 
 ifndef::backend-pdf[]
 [discrete.glossary]