Solution : https://service.sap.com/sap/support/notes/957960 (SAP Service marketplace login required)
Key words : 
memrequest=16018 sharedsq creating command failed 2 sharedsq  +, ]18 sharedsq creating command failed 2 sharedsq  +, dbmcli> param_put -running sharedsql noafter, dbmcli> param_put -running sharedsql, temporarily deactivate sharedsql, export/import occurs, client export/import, export/import, deactivate sharedsql, activated sharedsql
Related Notes : 
       
| 814704 | MaxDB Version 7.6 parameter settings for OLTP/BW |