crashing looked though all other comment's

[reconsolidate]

The game crashed whilst initializing game
Error: java.lang.IncompatibleClassChangeError: Expected static method extracells.item.ItemWirelessTerminalUniversal.getInstalledModules(Lnet/minecraft/item/ItemStack;)Ljava/util/EnumSet;
Exit Code: -1

still crashing downgraded upgraded been in r6 stable still same would you know a fix or a way around this bug