Message Oracle ORA-36883 - (XSSRF02) The first parameter of an AW single row function cannot be NULL.

ERROR(XSSRF02) The first parameter of an AW single row function cannot be NULL.
CAUSEThe first parameter of the AW single row function was NULL
ACTIONMake sure the column specified in the LIMITMAP ROW2CELL clause is the first parameter of the AW single row function.