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 in ('Irish Marine Institute; Marine Research, Technology Development and Innovation (RTDI) Measure; Productive Sector Operational Programme, National Development Plan 2000-2006[PhD -05-004, INF-06-013, IND-05-03]; Science Foundation Ireland[06/CP/E007]; Higher Education Authority (HEA); Enterprise Ireland Commercialisation Fund Technology Development (CFTD)') ORA-01722: invalid number