Regrowth modpack not working?

[thekindwolf]

So recently I have been playing the regrowth mod pack and got pretty far in the quest book then the next time I log on to play I have texture not loading in or are missing and somebody's will just make my screen 1 solid colour I even tried making a new world to see if it would fix itself and it didn't i even Uninstaller and reinstalled it whole modpack to no success if someone by chance knows what is going on I would be very much appreciated for the help