Hi, i have problem with launch modpack TPPI, RageTech, Tekkit`s and other modpack`s
How to fix this?
LOG:
java.util.ConcurrentModificationException
[b#439] at java.util.ArrayList$Itr.checkForComodification(Unknown Source)
[b#439] at java.util.ArrayList$Itr.remove(Unknown Source)
[b#439] at net.minecraft.launchwrapper.Launch.launch(Launch.java:114)
[b#439] at net.minecraft.launchwrapper.Launch.main(Launch.java:27)
[b#439] Java HotSpot 64-Bit Server VM warning: ignoring option MaxPermSize=256m; support was removed in 8.0
What is this?
Sorry for my english.