Solution : https://service.sap.com/sap/support/notes/1480336 (SAP Service marketplace login required)
Summary : 
      This SAP Note introduces the RSSM_DELETE_IPAK_WITHOUT_LS report for the deletion of orphaned InfoPackages where no corresponding source system exists (no SLOGSYS entry in RSBASIDOC). Mainly addressing a program flaw, the solution dictates the report will exclusively remove D versions of InfoPackages in Content development contexts, provided all related sibling packages are deleted. It requires importing relevant Support Packages as per versions SAP NetWeaver BW 7.00 through 7.11, detailed further in associated SAPBINews notes. Advance correction instructions are available for urgent cases, but it mandates prior review of Note 875986 concerning SNOTE transaction use.
Key words : 
software component   sap_bw                        business inform, reportrssm_delete_ipak_without_lsfor deleting orphaned infopackages, content development systems, sap netweaver bw 7, sap nw bw 7, manual post-implement, release 700          sapkw70016 - sapkw70024, release 701          sapkw70101 - sapkw70107, release 702          sapkw70201 - sapkw70204, sapbinews nw bi 7
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 | 
| 886102 | System Landscape Copy for SAP NetWeaver BW |