Solution : https://service.sap.com/sap/support/notes/821701 (SAP Service marketplace login required)
Key words : 
700 patch level 86a kernel patch implements, faulty interfaces640 patch level 105elimination, 620 patch level 1840640 patch level 61elimination, gui option low-speed connection', terms cua substitute reason, error => invalid character [dycuatab, empty700 patch level 42in, 700 patch level 144the display, kernel patch level higher, solution kernel patch level
Related Notes : 
       
| 1173413 | R3trans: CUA load invalidation | 
| 1005083 | Inconsistent CUA loads in table D345T | 
| 949737 | Generating screen & CUA loads in own LUW | 
| 884280 | Missing menu options with low-speed GUI connections | 
| 110910 | Deleting the language load | 
| 29197 | Regenerate all CUA interfaces |