Your ROOT_URL in app.ini is http://git.osmesh.ru/ but you are visiting https://git.osmesh.ru/MOS/OpenBoard/src/commit/0c8154a932e924e8bf07d9deb270c74359bec19d/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