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 ='Science Foundation Ireland[06/MI/005]; Marie Curie International Reintegration Grant Industrial applications of moving boundary problems[FP7-256417]; Ministerio de Ciencia e Innovacion[MTM2010-17162]; AGAUR-Generalitat de Catalunya[2009-SGR-345]' ORA-01722: invalid number