Game version 3.1. No mods, everything is clean.
Sort out the issues with your client (most likely, the problem lies there). I did everything I could, went the extra mile, checked and cleaned everything multiple times. After Dyrman's comment, it became completely clear that the problem is not with the map.
Multiplayer: Господство, Извечное противостояние, Война за Магию, Торговая империя, Анатомия войны, Эксперимент
SingleScenario: Последний Рубеж, Трон, Элиралис, Вернуться домой!, Лабиринты разума
Campaign: Колонизация