ORA-00923 - Database Error Messages - Oracle

ora 923 ORA-00923: FROM keyword not found where expected SQL: SELECT DISTINCT B10.EMPLID from PS_BEN_PROG_PARTIC a10, PS_EMPLOYEES b10,. What causes an ORA-00923 error? In a SELECT or REVOKE statement, the keyword FROM was either missing, misplaced, or misspelled. The keyword FROM must follow

ora923, Pesenan pangiriman Buket №923 ing Moskow: kembang menyang kantor, omah, kutha liyane..