OptionalBindingKey of the VideoDataBinding that triggered the issue, when scoped to one binding.
Machine-readable issue code (e.g., 'RowsTruncated', 'SnapshotStoredInline',
'MissingViewFields', 'UnknownEntity', 'UnknownField', 'InvalidQueryID',
'InvalidArtifactVersionID', 'ArtifactEmptyRows', 'MissingInlineValue',
'DeltaNotNumeric', 'SeriesValueNotNumeric', 'BindingReadFailed').
Human-readable explanation of the issue.
'Error' when a binding failed to resolve; 'Warning' for non-fatal conditions.
Diagnostic issue emitted during CaptureDataSnapshot.