Error During 12c Upgrade Assistant on INSERT INTO 12C_WCSITES.SYSTEMUSERS: SQLException: ORA-00001: unique constraint (12C_WCSITES.SYS_C0016759) violated

(Doc ID 2267030.1)

Last updated on MAY 28, 2017

Applies to:

Oracle WebCenter Sites - Version and later
Information in this document applies to any platform.


Unique constraint violation error occurs while running the 12c Upgrade Assistant. The following error is seen in the ua{date and time}.log:


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