Hello, we haven't seen this from our side before. This might be an issue with your 3rd party face pack.
Can you please remove your custom face pack and see if the issue still occurs?
Hi, can we ask what network connections each user is using. What platforms all the users are using? Are you doing cross play? The host should be the user with the best internet connection.
Hello, can we ask if you cant find the save game as in the file to load, or they cant find the lobby when looking for the lobby in the join online lobby screen?