mongodb query_error ai_generated true

MongoServerError: array filter identifier not found

ID: mongodb/update-array-filter-error

Also available as: JSON · Markdown
82%Fix Rate
86%Confidence
3Evidence
2023-01-01First Seen

Version Compatibility

VersionStatusIntroducedDeprecatedNotes
7 active

Root Cause

Update with arrayFilters references non-existent identifier.

generic

Workarounds

  1. 92% success Match arrayFilters identifier to 0 in update expression
  2. 88% success Test update with explain before applying to production data

Dead Ends

Common approaches that don't work:

  1. Remove arrayFilters and update all elements 82% fail

    Updates wrong elements

  2. Use positional $ operator for everything 75% fail

    Only matches first element