Solution : https://service.sap.com/sap/support/notes/316313 (SAP Service marketplace login required)
Key words : 
menu options edit -> refresh buffer, additional key words easy access, options extras ->technical details, affected area menu, start transaction se43, easy access, determined menu, area menus, time stamp, reset correctly
Related Notes : 
       
| 1172407 | |
| 500950 | iSeries: R/3 EBCDIC --> ASCII Codepage Conversion Doc. | 
| 338981 | |
| 333901 | |
| 180051 | |
| 116756 | Removing language-dependent parts from Support Packages | 
| 110910 | Deleting the language load |