Solution : https://service.sap.com/sap/support/notes/553469 (SAP Service marketplace login required)
Key words : 
noti_lock_error    unsuccessful lock attemptparameter, noti_lock_error   unsuccessful lock attemptparameter, force lock checking, missing lock coding, terms wps1 reason, prerequisites software error, previously locked notificationclass, previously locked notificationimplement, source code additions, execute transaction se242
Related Notes : 
       
| 847958 | MEB: Status I8012 - ORCR is not undone |