Colloseum Multiplayer Problem (help pls)

I have a problem. Only shortly before I created a scenario (Colloseum) which as far as I know works offline without problems but when I finally wanted to play online with other players I found out that the pets cannot spawn, but actually offline worked, what should I do now? actually everything should work. The only thing is that the spawnpoints don’t go online. Does anyone know where the problem is? Thank you in advance.