Trouble getting in hexxit

[Delirious_Homie]

Ok so I made my own hexxit server for me and my friends. The first time i installed hexxit or loaded it it worked just fine. Now i try to load it and it tells me theres an error and i checked the error and there was nothing. Can someone pleazz help mee?
THanks 

[EarthPegasus2]

I'm having the same problem but with single worlds as well, mine is due to a rendering screen or ticking screen error.