Your ROOT_URL in app.ini is http://git.osmesh.ru/ but you are visiting https://git.osmesh.ru/MOS/OpenBoard/src/commit/6311ca2b464554e65121c385272ba0635f6195b7/resources/www You should set ROOT_URL correctly, otherwise the web may not work correctly.

новые иконки в OpenBoard

Claudio Valerio 907c08482e first try on linux after changing name		12 years ago
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OpenBoard-web-player.html	first try on linux after changing name	12 years ago