Message Oracle ORA-43853 - SECUREFILE lobs cannot be used in non-ASSM tablespace string ORA-43853 NOTES ERRORSECUREFILE lobs cannot be used in non-ASSM tablespace string CAUSESECUREFILE lobs require ASSM ACTIONSpecify an ASSM tablespace for SECUREFILE lobs. 1487754Add. info.: Upgrade to SAP NW 7.3 ORACLE1477787Optimizer merge fix for Oracle 11.2.0.1