As title says. Older versions ex. 2775 work completely fine.
If anyone could help, greatly appreciated.
Since the game crashed on launch there is no crash report generated, here's the stuff from the game output:
09:04:08
game
info
[17:04:08] [Client thread/ERROR] [LaunchWrapper]: Unable to launch
09:04:08
game
info
java.lang.reflect.InvocationTargetException: null
09:04:08
game
info
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_192]
09:04:08
game
info
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_192]
09:04:08
game
info
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_192]
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game
info
at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_192]
09:04:08
game
info
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135) [launchwrapper-1.12.jar:?]
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game
info
at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.12.jar:?]
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game
info
Caused by: java.lang.NoClassDefFoundError: Could not initialize class net.minecraft.init.Items
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game
info
at net.minecraft.potion.PotionHelper.func_185207_a(PotionHelper.java:154) ~[akh.class:?]
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game
info
at net.minecraft.init.Bootstrap.func_151354_b(Bootstrap.java:504) ~[ni.class:?]
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game
info
at net.minecraft.client.Minecraft.<init>(Minecraft.java:365) ~[bib.class:?]
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game
info
at net.minecraft.client.main.Main.main(SourceFile:123) ~[Main.class:?]
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game
info
... 6 more
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game
info
Exception in thread "Client thread" [17:04:09] [Client thread/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: net.minecraftforge.fml.relauncher.FMLSecurityManager$ExitTrappedException
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game
info
[17:04:09] [Client thread/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: at net.minecraftforge.fml.relauncher.FMLSecurityManager.checkPermission(FMLSecurityManager.java:49)
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game
info
[17:04:09] [Client thread/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: at java.lang.SecurityManager.checkExit(SecurityManager.java:761)
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game
info
[17:04:09] [Client thread/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: at java.lang.Runtime.exit(Runtime.java:107)
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game
info
[17:04:09] [Client thread/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: at java.lang.System.exit(System.java:971)
09:04:09
game
info
[17:04:09] [Client thread/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: at net.minecraft.launchwrapper.Launch.launch(Launch.java:138)
09:04:09
game
info
[17:04:09] [Client thread/INFO] [STDERR]: [java.lang.ThreadGroup:uncaughtException:1052]: at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
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monitor
Process Monitor
fatal
Process crashed with exit code 1
