Solution : https://service.sap.com/sap/support/notes/634458 (SAP Service marketplace login required)
Key words : 
runtime errors        dbif_rsql_sql_errorexception              cx_sy_open_sql_dbthe dump occurs, xxa dump occurs, sql error occurred, operational data store, write multiple processes, solution implement note 84348, dump occurs, dump refers, symptom bw 7, active table
Related Notes : 
       
| 84348 | Oracle deadlocks, ORA-00060 |