"CRJAZ1992E" Error in IBM ELM RQM Application

 CRJAZ1992E The "com.ibm.rqm.history.cleanupTrsEvents" task could not be completed and is now unscheduled. Error details: "CRJAZ1318E The server could not connect to the database. Try the operation again. CRJAZ0265E The database resource or the virtual storage is not available. SQL: DECLARE GLOBAL TEMPORARY TABLE SESSION.TEMP_7221(INPUT_ARG_COL CHAR(23),ID_COLUMN CHAR(23)) ON COMMIT PRESERVE ROWS NOT LOGGED IN JAZZTMPSPACE SQL Exception #1 SQL Message: DB2 SQL Error: SQLCODE=-956, SQLSTATE=57011, SQLERRMC=null, DRIVER=4.26.14 SQL State: 57011 Error Code: -956 "