Элеммор
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5.5 is a fairly well-known and popular mod, but to be honest, I haven't tried it myself and haven't really looked into the incompatibility issue, nor what changes the patcher makes, so it's hard for me to judge the reasons. Perhaps 5.5 includes the Eternal Essence mod by Quantomas; in that case, it's no wonder the map doesn't work. This problem is known; I wrote about it quite recently. /topic/at/1215544/
If there are other reasons, then more information is needed.
Thank you for your answer. My friend made an adaptation, it works, but the mentor doesn't work there. But we will continue experimenting. Thank you for your help.