OptionaltargetFieldName: stringOptionalcauseReadonlyentityThe entity name being looked up
ReadonlylookupThe lookup fields and values that failed
ReadonlyoriginalThe original lookup string value
OptionalstackOptional ReadonlytargetThe field name where this lookup was used
Static OptionalprepareOptional override for formatting stack traces
Staticstack
Custom error class for lookup failures that can be deferred. When a lookup with
?allowDeferflag fails, this error is thrown instead of a regular Error. The calling code can catch this specific error type and queue the lookup for later retry.