Solution : https://service.sap.com/sap/support/notes/355736 (SAP Service marketplace login required)
Key words : 
basis      aba        appl      hr         crt availabilitysapkb46cxx sapka46cxx sapkh46cxx sapke46cxx-----------------------------------------------------------------------06         06        06         --         required, check sap service marketplace note 53902, previous crt sapkibc616/sapkibc617, implement maintenance levels mentioned, csc-abpl specific supplement, id csc-abpl, csc-abpl system, practice library reason, apply kernel patch, defined maintenance level
Related Notes : 
       
| 1283257 | KJCPH: How to migrate from BPL to EKPM at 4.6C | 
| 355730 | CSC-ABPL: Asian Best Practice Library 600 | 
| 159979 | Release strategy for R/3 add-on CDs from Japan | 
| 53902 | Conflicts between Support Packages and add-ons |