I can not start server for modpack FTB Techworld 2 (1.6.4)

By praza
December 19, 2020 in Support & Bug Reports

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praza

Posted December 19, 2020

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Posted December 19, 2020

Hi, I cant start server for this modpack https://ftb.gamepedia.com/Tech_World_2

Does anyone know how to solve this?

2020-12-19 09:11:11 [SEVERE] [ForgeModLoader] Unable to launch
java.util.ConcurrentModificationException
at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:909)
at java.util.ArrayList$Itr.remove(ArrayList.java:873)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:114)
at net.minecraft.launchwrapper.Launch.main(Launch.java:27)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at cpw.mods.fml.relauncher.ServerLaunchWrapper.run(ServerLaunchWrapper.java:48)
at cpw.mods.fml.relauncher.ServerLaunchWrapper.main(ServerLaunchWrapper.java:17)

Thank you in advance for your help

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I can not start server for modpack FTB Techworld 2 (1.6.4)

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praza

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