How to fix the Oracle error XOQ-01305: invalid model assignment?

In this post, you’ll learn more about the Oracle ErrorXOQ-01305: invalid model assignment with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

XOQ-01305: invalid model assignment

Reason for the Error XOQ-01305: invalid model assignment

Cause: The definition of a model assignment was invalid.

How to fix the Error XOQ-01305: invalid model assignment ?

You can fix this error in Oracle by following the below steps

Action: Ensure that all assignments are defined so the assigned source does not have a qualified source as an input. The assignment may have been created explicitly, or it may have been created implicitly from a custom member definition.