Thanks for your answer.
I seem to write this post in haste, for I've gone mad checking whether my quests work appropriately, but then I've just left the saved location and reentered it again - and all worked) Hope, this will keep stable)

Maybe, someone can share a piece of advice: I'm writing a mod for enderal (just hobby for free time) and faced the problem that the new dialogue topics I add either to new quests or to already existed (I follow the same pattern as I used many times for Skyrim) don't work. They are successfully creat...