1.0.3: 1.03: Client wont Start

  • This section is closed. Please do bug reports over at the FTB GitHub repos.
  • 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

Charadon_Astra

New Member
Jul 29, 2019
1
0
0
Version:
1.0.3

What is the bug:
So I hit launch with the pack all loaded and happy, then it pauses for about 5 seconds and nothing happens. Crashlog

Logging in...
Beginning authlib authentication attempt
successfully created YggdrasilAuthenticationService
Login complete.
Checking local assets file, for MC version1.7.10 Please wait!
Setting up native libraries for Direwolf20 v 1.0.3 MC 1.7.10
Syncing Assets:
Java Path: C:\Program Files\Java\jre7\bin\javaw.exe
Pack: Direwolf20 1.7.10
Setting MinMemory to 256
Setting MaxMemory to 2048
Defaulting PermSize to 256m
[13:16:50] [main/INFO]: Loading tweak class name cpw.mods.fml.common.launcher.FMLTweaker
[13:16:50] [main/ERROR]: Unable to launch
java.lang.ClassNotFoundException: cpw.mods.fml.common.launcher.FMLTweaker
at java.net.URLClassLoader$1.run(Unknown Source) ~[?:1.7.0_25]
at java.net.URLClassLoader$1.run(Unknown Source) ~[?:1.7.0_25]
at java.security.AccessController.doPrivileged(Native Method) ~[?:1.7.0_25]
at java.net.URLClassLoader.findClass(Unknown Source) ~[?:1.7.0_25]
at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.7.0_25]
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source) ~[?:1.7.0_25]
at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.7.0_25]
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:106) ~[launchwrapper-1.11.jar:?]
at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.7.0_25]
at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.7.0_25]
at java.lang.Class.forName0(Native Method) ~[?:1.7.0_25]
at java.lang.Class.forName(Unknown Source) ~[?:1.7.0_25]
at net.minecraft.launchwrapper.Launch.launch(Launch.java:98) [launchwrapper-1.11.jar:?]
at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.11.jar:?]

Mod & Version:


Paste.feed-the-beast.com log:


Can it be repeated:


Known Fix: