Oracle Message ORA-54619 - CLIP_PC: query and BLKID parameters cannot both be null

ERRORCLIP_PC: query and BLKID parameters cannot both be null
CAUSEBoth the query and BLKID parameters were null in the call to the CLIP_PC operation.
ACTIONEither specify a query geometry that is not null, or specify a BLKID for use as a query.