Ranger "Refugees" - [5th campaign, 1st mission]

Kalipsochka, if you've already installed patch 1.3, then proceed further – install patches 1.4 and 1.5. In any case, you'll need to start the mission again through the campaign start menu. I completed this mission twice in versions 1.41 and 1.5. I didn't encounter any glitches. However, your phrase "the Necromancer never attacked (but of course, the army on the border is strong)" raised my suspicion. I didn't keep an army on the border; instead, I tried to conquer as many stat-boosting locations as possible. First and foremost, I focused on magic and attack. I generally try to get the maximum possible benefit from each mission to make the subsequent missions easier. Perhaps the game starts glitching because