Solution : https://service.sap.com/sap/support/notes/395235 (SAP Service marketplace login required)
Key words : 
r3tr fugr aiba r3tr fugr aibt r3tr fugr aqbm r3tr fugr aqbr r3tr fugr pabw r3tr fugr hrbw r3tr fugr hibw r3tr fugr ombw r3tr fugr lc05, import  vii/  r3up keyword  viii/ actions, extras -> ignore test import errors, pi 2001_1_31i/2001_1_40b/2001_1_45b/2001_1_46b, /    important general information  ii/   errors, phase pcon_<rel> error message, bw data extraction process, limu func <function module>, 'activation checks' prepare module, v3 update entries               process
Related Notes : 
       
| 409659 | CRM 3.0 Master Guide | 
| 408638 | Add-On Support Packages and CRTs for PI/PI-A 2001.1 | 
| 380257 | |
| 353367 | Add-on Support Packages and CRTs for PI/PI-A 2000.2 | 
| 214503 | Release strategy for PI and PI-A add-ons | 
| 199431 | |
| 194969 | |
| 181255 | Overview: Notes about R/3 Add-Ons PI and PI-A |