Your ROOT_URL in app.ini is http://git.osmesh.ru/ but you are visiting https://git.osmesh.ru/MOS/OpenBoard/src/commit/3e26cc23670dd6d161c4a84972e2f94910d84cfc/resources/images/virtual.keyboard/29 You should set ROOT_URL correctly, otherwise the web may not work correctly.

новые иконки в OpenBoard

Anatoly Mihalchenko e0ee366943 Virtual keyboard improvement		13 years ago
..
backspace.png	OSK - design integration	14 years ago
capslock.png	Virtual keyboard improvement	13 years ago
centre-active.png	OSK - design integration	14 years ago
centre-passive.png	OSK - design integration	14 years ago
left-active.png	OSK - design integration	14 years ago
left-passive.png	OSK - design integration	14 years ago
right-active.png	OSK - design integration	14 years ago
right-passive.png	OSK - design integration	14 years ago
shift.png	Virtual keyboard improvement	13 years ago
tab.png	OSK - design integration	14 years ago