Solution : https://service.sap.com/sap/support/notes/385219 (SAP Service marketplace login required)
Key words : 
sap easy access menu, bw-specific jump, technical description explains, function module rsbb_workbook_agr_get, test function module, function module rrmx_workbooks_delete, internal table e_t_agr, symptom reorganizing workbooks, bex analyzer reason, 0b support package 14
Related Notes : 
       
| 1089469 | Improvements for report RSWB_ROLES_REORG | 
| 706478 | Preventing Basis tables from increasing considerably | 
| 374840 | SAPBWNews BW 2.0B Support Package 14 |