Oracle Error ORA-18003: an outline already exists with this signature

Oracle Error Message

ORA-18003: an outline already exists with this signature

Reason for the Error

The signature generation algorithm generates signatures that are are 16 bytes in length so it is highly unlikely that any 2 signatures will be identical. This message is raised in such a rare case.

Solution

Either re-issue the statement that led to the outline being created with some whitespace added or force the outline to be created in a different category.

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