Your ROOT_URL in app.ini is http://git.osmesh.ru/ but you are visiting https://git.osmesh.ru/MOS/OpenBoard/src/commit/f4da4e021a344f0837a59688ba16064ad8d5864e/resources/macx/Save%20PDF%20to%20Open-Sankore.workflow
You should set ROOT_URL correctly, otherwise the web may not work correctly.
Claudio Valerio