black loading screen

My main farm which i have spent all of my time on suddenly wont load in? i uninstalled it i restarted my computer i did everything i thought to do and it still wont load in if a create a new world it works fine so it's just that specific farm i really need help please (i own it on steam btw)

Hello a friend and I play on a server am not the host. whenever I check the computer I never get any information about me always about the host. Is this a normal thing in multiplayer or just us ? Another thing sometimes the loading screen is way too long for reasons we can't understand just for...