Unable to use spells of different classes in a fightclass

Hello i just started on Project Ascension, a classless realm with wotlk 3.3.5 spells and lvl 60 max.

You can use spells of all classes there. When doing a fightclass which uses spells of different classes i get an error message.

"15:36:33 - Compilator Error : c:\Users\xxxx\AppData\Local\Temp\jhjajzqs.0.cs(122,14) : error CS0146: Basisklassen-Ringabhängigkeit zwischen 'Settings' und 'Settings'."

"Basisklassen-Ringabhängigkeit zwischen 'Settings' und 'Settings'"  Means "basis class ring dependency between settings and settings"

Is there a way to deactivate this logic?

Thanks