Your ROOT_URL in app.ini is http://git.osmesh.ru/ but you are visiting https://git.osmesh.ru/MOS/OpenBoard/src/commit/e21c3d4a99fc3254e65edb71e9478560a913efe2/resources/macx/Save%20PDF%20to%20Open-Sankore.workflow
You should set ROOT_URL correctly, otherwise the web may not work correctly.