sync issues

Hello, can anyone help me with this problem. PLEASE I wanted to play ONLINE, but every time I enter a server, the JOINING screen appears but it seems it FREEZES ,because the 2 loading bars are empty. I waited minutes but it happened nothing. I hope someone's answer, thank you.

has anyone created custom behaviours that use the grabbable interact type ? i've gotten everything to work, except the object drop and throw functions aren't being synced with other players (the object remains in the HELD_HELD state for all other players). from what i can tell reading through...