Solution : https://service.sap.com/sap/support/notes/766876 (SAP Service marketplace login required)
Key words :
Session termination, implicit casting, ASSIGN_TYPE_CONFLICT, ASSIGN_CASTING_ILLEGAL_CAST, ASSIGN_BASE_TOO_SHORT, ASSIGN_BASE_WRONG_ALIGNMENT, CASTING
Related Notes :
765082 | Type conflict with ASSIGNING |
19466 | Downloading SAP kernel patches |