The FTB Forum is now read-only, and is here as an archive.
To participate in our community discussions, please join our Discord! https://ftb.team/discord
On all the 1.6.4 packs I get this crash constantly.
2014-02-06 19:46:47 [INFO] [STDERR] java.io.FileNotFoundException: C:\Users\Josh\Desktop\Games\FTB\Direwolf20_1_6_4\minecraft\saves\BoP 1_6_4\DIM-1\multipart.dat (The process cannot access the file because it is being used by another process)...