Oracle Error ORA-38499: expression set already configured for stored/indexed attributes

Oracle Error Message

ORA-38499: expression set already configured for stored/indexed attributes

Reason for the Error

The expression set already had a list of stored and indexed attributes. Additional attributes cannot be specified in the CREATE INDEX parameters clause.

Solution

Remove TOP, STOREATTRS and INDEXATTRS clauses from the parameters clause or clear the expression set statistics using DBMS_EXPFIL.INDEX_PARAMETERS API.