ORA-00001: unique constraint (string.string)
violated
Cause:
An UPDATE or INSERT statement attempted to insert a duplicate
key. For Trusted Oracle configured in DBMS MAC mode, you may see this message
if a duplicate entry exists at a different level.
If you trying to run INSERT or UPDATE statement which has created a duplicate value in a field restricted by a unique index
Action:
Either remove the unique restriction or do not insert the key.
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