Hi! So, i have the mod accessories, and i select the wrong menu when i start my server. Can I change the menu to experimental after choosing the classic one?

Yes go to the config for the mod and change it there

All the menu types can be configured within the Accessories Config launched from the mod menu in both platforms.

@Samoonchild If you need more help do not use github, please use the discord for assistance instead as bugs or issues should be reported here.