When i try to join friend it just says joining game sesison and the noithing happens

[Wellouhvolgers]

i need help with this we both got port 4976 and upnp enabled it worked 1 time that we joined succesfully but the rest just not

[Eradicator1098]

Same problem, any solution?

[Wellouhvolgers]

Eradicator1098 not yet lets wait for a staff