Solution : https://service.sap.com/sap/support/notes/188066 (SAP Service marketplace login required)
Key words : 
--> extras --> settings deactivate indicator 'run abap/dynpro generation', hp/lcp 27-30 additional key words cem, directory/specific/iscem/v30a/crt_27_30, directory /usr/sap/trans/eps/, /usr/sap/trans/eps/, hp/lcp status 26, 0b /cem v3, 0b/0004 dated august 16, car -xvf hp_crt, car -xvf lcp_crt
Related Notes : 
       
| 192541 | P3G CEM V3.0A language import English for CRT 31 | 
| 188944 | |
| 185440 | CEM billing doc without result account assignment | 
| 180435 | P3G CEM V3.0A corrections / f. LCP/HP status 26 | 
| 141148 | CEM P3G: Released Hot Packages/LCPs | 
| 132203 | CRT not in SPAM queue | 
| 104127 | @3B@Documentation Hot Package Collections to 4.0B | 
| 97630 | OCS: Familiar problems with patches 3.1H-4.0B | 
| 53902 | Conflicts between Support Packages and add-ons |