how to play palworld online on steam

ive installed palworld thur steamtools and i wanna play with my friends but i cant play online and with the online fix i get a weird error

https://preview.redd.it/q13oxau7fyeh1.png?width=1348&format=png&auto=webp&s=849fd572443fa188c3849b9f5ae03d682c4a57c7