When updating EmailMessageRelation records, an "invalid cross reference id" error can occur. This issue arises because the EmailMessage linked to the task also has an associated TaskRelation that needs to be updated. If the TaskRelation is not updated correctly, it prevents the successful reparenting of records and results in an invalid cross-reference error.
To elaborate, the EmailMessage record is associated with a Task, and this Task has a TaskRelation. When attempting to update the EmailMessageRelation, the system requires that the TaskRelation is also updated accordingly. Failing to update the TaskRelation results in an invalid cross-reference error, preventing the successful reparenting of records.
To resolve this issue, follow these steps:
By ensuring that all related records are correctly reparented before deleting the original contact, you can prevent the invalid cross reference error and maintain data integrity.
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