Solution : https://service.sap.com/sap/support/notes/370093 (SAP Service marketplace login required)
Key words : 
solution apply bw support package 11, user db2<sapsid> run, select 'drop view sapr3, db2 -tvf /tmp/db2drpv, 'drop view sapr3, database catalog reason, db2 command window, file /tmp/db2drpv, cases temporary views, existing temporary views
Related Notes : 
       
| 374502 | DB6: DB2 UDB - BW Performance - Overview of notes | 
| 355191 | DB6: Debugging of BW queries with hierarchies | 
| 316651 | SAPBWNews for BW 2.0B Support Package 11 |