Solution : https://service.sap.com/sap/support/notes/1070232 (SAP Service marketplace login required)
Key words : 
dbmcli> param_put -running -permanent sharedsql, symptom short dumps occur, terms short dump, unknown result table, runtime error          dbif_rsql_sql_errorexcept, cx_sy_open_sql_dbthe error text, sap basis lower, database parameter online, parameter sharedsql, dbmcli command
Related Notes : 
       
| 949737 | Generating screen & CUA loads in own LUW | 
| 814704 | MaxDB Version 7.6 parameter settings for OLTP/BW |