Solution : https://service.sap.com/sap/support/notes/1456251 (SAP Service marketplace login required)
Key words : 
aforementioned support package patch levels provide, profile parameters rsdb/max_blocking_factor, profile parameter rsdb/max_union_blocking_factor, profile parameter rsdb/max_blocking_factor, parameter rsdb/max_union_blocking_factor overrides, open sql select statement, parameter rsdb/max_blocking_factor, identical select statements, open sql query, open sql statement
Related Notes : 
       
| 48230 | Parameters for the SELECT ... FOR ALL ENTRIES statement |