error.message

Deprecatedstringas of v1.44.0

A message providing more detail about an error in human-readable form.

error.message should provide additional context and detail about an error. It is NOT RECOMMENDED to duplicate the value of error.type in error.message. It is also NOT RECOMMENDED to duplicate the value of exception.message in error.message.

error.message is NOT RECOMMENDED for metrics or spans due to its unbounded cardinality and overlap with span status.

Examples

Unexpected input type: string
The user has exceeded their storage quota

History

v1.40.019 Feb 2026
No longer referenced by feature_flag.evaluation.
v1.40.019 Feb 2026deprecated
Use domain-specific error message attribute. For example, use feature_flag.error.message for feature flag errors.
v1.33.02 May 2025
Now referenced by feature_flag.evaluation (recommended).
v1.32.031 Mar 2025
Added as development.

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