Cause
the query plan for your query is invoking a catsearch operator functionally rather than as an index rowsource. The catsearch operator does not support functional invocation
the query plan for your query is invoking a catsearch operator functionally rather than as an index rowsource. The catsearch operator does not support functional invocation
add optimizer hints so that all catsearch operators are performed through index scans
Try the following links for this error:
http://docs.oracle.com/cd/E16655_01/server.121/e26079/drgus.htm
https://community.oracle.com/message/10507599
https://community.oracle.com/message/148087
https://community.oracle.com/message/10491006
https://community.oracle.com/message/2771939
https://community.oracle.com/message/1229219
https://community.oracle.com/message/2619135
https://community.oracle.com/message/900004
https://community.oracle.com/message/2789727
https://community.oracle.com/message/10649814
https://community.oracle.com/message/1209659
https://community.oracle.com/message/1085902
https://community.oracle.com/message/10494364
https://community.oracle.com/message/9313175
https://community.oracle.com/message/2847094
https://community.oracle.com/message/2435851
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