Solution : https://service.sap.com/sap/support/notes/1478420 (SAP Service marketplace login required)
Key words : 
mass document change, lacks permission checks, undesired system behavior, relevant support package, authorization check reason, prerequisites transaction fpe2m, transaction fpe2m, authenticated user, potentially result, terms authorization
Related Notes : 
       
| 1624291 | Syntax error when implementing a security note | 
| 888889 | Automatic checks for security notes using RSECNOTE |