Solution : https://service.sap.com/sap/support/notes/595319 (SAP Service marketplace login required)
Key words : 
parameter  i_shared type rs_bool optional default rs_c_falseinto, type  l_shared type rs_bool, 0b            import support package 11, 1c            import support package 04, previous locking mechanism, functions  rscds_lock_get  rscds_lock_releaseafter, interim support package, 0b support package 11, 1c support package 04, subsequent delete request
Related Notes : 
       
| 571747 | SAPBWNews BW 3.1 Content Support Package 11 | 
| 539824 | SAPBWNews BW 3.1 Content Support Package 05 | 
| 523248 | SAPBWNews BW 3.0B Support Package 11 |