ORA-36646: (XSDUNION08) Only concat dimensions can be redefined as UNIQUE.

ORA-36646
ORA-36646: (XSDUNION08) Only concat dimensions can be redefined as UNIQUE.
workspace object is not a concat dimension.
Cause: UNIQUE keyword was used with an invalid object.
Action: Retry without the UNIQUE keyword.
More details : Viste http://www.high-oracle/ora-36646/
More details : Viste http://www.high-oracle/ora-36646/
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