ORA-01722: invalid number - select description from (SELECT NULL OBJECT_ID, ' -- Select Funding Body -- ' DESCRIPTION FROM DUAL UNION SELECT OBJECT_ID, BODY_NAME DESCRIPTION FROM VA_FUNDING_BODY WHERE SYSDATE BETWEEN START_DATE AND NVL(END_DATE, SYSDATE+1) ORDER BY 2) where object_id ='UK Engineering and Physical Sciences Research Council[EP/D048761/1]; Integrated Nanoscience Platform for Ireland (INSPIRE); Royal Society Leverhulme Trust' ORA-01722: invalid number