Solution : https://service.sap.com/sap/support/notes/924703 (SAP Service marketplace login required)
Key words : 
number component priority/category 899998 bc-bsp high / program error 909869 bc-mid-rfc high / program error 915900 bw high / program error 916419 lo-spm-inb medium/program error 919210 bw medium / program error 919991 bw high / program error 932451 lo-spm-inb medium/program error additional notes, number component priority/category 876014 mm-pur-po-bapi medium / program error 882687 mm-pur-gf-edi medium / program error, => sap notes search => note assistant => note assistant download prerequisites, /sp-stacks-> sp stack download-> sp stack sap scm 5, application components -> sap application components -> sap scm -> sap scm 5, /pam                      -> sap application components -> sap scm -> sap scm 5, /pam             -> sap application components -> sap scm -> sap scm 5, component -> sap livecache -> sap lc/lcapps 5, component -> scm server -> sap kernel                     import, application group -> sap applicationcomponents -> sap scm 5
Related Notes : 
       
| 929867 | SCM Optimizer 5.0 Support Package 03 | 
| 897413 | SAP liveCache 5.0 LCA Build 04 | 
| 884537 | Benefit and use of the Support Package Stack XML | 
| 875662 | Importing liveCache version 7.6 | 
| 871131 | (outdated) SAP APO Optimizer Installation for SAP SCM 5.0 | 
| 857475 | SCM 5.0: Installing an APO optimizer version | 
| 850229 | Release restrictions for R/3 Plug-In 2004.1, SP 10 | 
| 836200 | SAP NetWeaver 7.0: Importing Process Integration Content | 
| 824489 | LCAPPS patch strategy | 
| 776471 | Release limitations for Plug-In Basis 2005.1 | 
| 750511 | SAP Exchange Infrastructure 3.0: Patch procedure >= SP04 | 
| 487972 | Operating system parameterization of liveCache | 
| 438015 | Latest qRFC version and supplement for 3.x, 4.x, 6.10, 6.20 | 
| 181255 | Overview: Notes about R/3 Add-Ons PI and PI-A | 
| 166096 | qRFC installation for 3.xx, 4.0x, 4.5x and 4.6x |