Solution : https://service.sap.com/sap/support/notes/1483478 (SAP Service marketplace login required)
Summary : 
      An endless loop issue has been identified in SAP NetWeaver BW within function group RSBK_GUI or class CL_RSBK_PATH methods and forms related to SET_UNIQUE_PATH due to a program error. For resolution, customers are advised to import relevant Support Packages for different BW versions: SAPKW70025 for BW 7.00, SAPKW70108 for BW 7.01, SAPKW70205 for BW 7.02, and SAPKW71105 for BW 7.11, once respective detailed Notes have been released. Immediate corrections can be applied via SNOTE as per Note 875986 if needed.
Key words : 
solution sap netweaver bw 7, sap netweaver bw 7, sap nw bw 7, endless loop occurs, function group rsbk_gui, endless loop reason, sapbinews nw bi 7, 01 bw abap sp08, 00import support package 25, import support package 08
Related Notes : 
       
| 1471463 | SAPBWNews NW BW 7.01 ABAP SP08 | 
| 1468668 | SAPBWNews NW7.0 BW ABAP Support Package 25 | 
| 1450990 | SAPBWNews NW BW 7.02 ABAP SP05 | 
| 1392433 | SAPBINews NW7.11 BW ABAP Support Package 05 |