Your ROOT_URL in app.ini is http://git.osmesh.ru/ but you are visiting https://git.osmesh.ru/MOS/OpenBoard/src/commit/d3fb0c9059734f2d9864375a0412a3f72f271f76/resources/etc/Tutorial You should set ROOT_URL correctly, otherwise the web may not work correctly.

новые иконки в OpenBoard

Claudio Valerio 43407ddd0c fixed url for label		13 years ago
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tutorial_en	fixed url for label	13 years ago
tutorial_fr	fixed url for label	13 years ago