Solution : https://service.sap.com/sap/support/notes/1345101 (SAP Service marketplace login required)
Key words : 
apply bi java patch sp04 #pl5, bi java patch support package 19 patch 20, 0 ehp1 bi java support package 05, 0 bi java            import support package 20, applying bi java patches, lower support package levels, deploying java support packages, 0 bi java support package 20, 11 bi java support package 03, 0 enhancement package 1 bi java
Related Notes : 
       
| 1359930 | BI JAVA Patch for NW7.11 SP02 Patch Level 1 | 
| 1353672 | Hotfix 18173 for ByD | 
| 1344053 | Empty var. value incorrectly filled after backwrd navigation | 
| 1339529 | NW7.0 SPS 19 Patch 20 note for BI Java | 
| 1314805 | SAPBINEWS NW7.0 BI JAVA SP20 | 
| 1314175 | SAPBINEWS NW7.01 BI JAVA SP05 | 
| 1311827 | SAPBINEWS NW7.11 BI JAVA SP03 | 
| 1011241 | Patches for NetWeaver 2004s BI Java Support Package |