The following is the ORA-18003 error message, you can learn the cause and solution of the Oracle database error.
ORA-18003 an outline already exists with this signature
Cause: The signature generation algorithm generates signatures that 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 reissue the statement that led to the outline being created with some white space added or force the outline to be created in a different category.
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