Solution : https://service.sap.com/sap/support/notes/324687 (SAP Service marketplace login required)
Key words :
[hkey_current_user\software\sap\sapgui front\sap frontend server\releasedebug\showborders], \\wdfroot\sapmnt\bas\620_cor\src\opt\ntintel, support team analyze character errors, feature helps programmers reconstruct, front-end version 2102---------------------execution---------------------, front end versions, front-end version 2102, sap-internal-----------------------------, simply copy sapfewdbgconfig, send screen shots
Related Notes :
570861 | Checking the size between subscreens and elements |
496077 | Screen compression: SUBSCREEN_LOST_FIELDS |
451769 | |
365940 | Analyzing screen traces using transaction ST20 |
203023 | Understanding screen compression and resizing |