Message Oracle PCC-02419 - Host variable arrays not allowed in an OBJECT SET or GET

ERRORHost variable arrays not allowed in an OBJECT SET or GET
CAUSEAn array was found in the host variable list of an OBJECT SET or GET statement.
ACTIONOnly scalars are allowed (except for single dimensioned char or varchar variables) in the host variable list of an OBJECT SET or GET. Make sure to use only scalars in these statements.