Mod Version:3.6.2.1

Forge Version:14.23.5.2847

Log:
[14:17:20] [main/INFO]: Loading tweak class name net.minecraftforge.fml.common.launcher.FMLTweaker
[14:17:20] [main/INFO]: Using primary tweak class name net.minecraftforge.fml.common.launcher.FMLTweaker
[14:17:20] [main/INFO]: Calling tweak class net.minecraftforge.fml.common.launcher.FMLTweaker
[14:17:20] [main/INFO]: Forge Mod Loader version 14.23.5.2847 for Minecraft 1.12.2 loading
[14:17:20] [main/INFO]: Java is Java HotSpot(TM) 64-Bit Server VM, version 1.8.0_51, running on Windows 10:amd64:10.0, installed at C:\Users\sipos\Twitch\Minecraft\Install\runtime\jre-x64
[14:17:20] [main/WARN]: The coremod FMLCorePlugin (net.minecraftforge.fml.relauncher.FMLCorePlugin) is not signed!
[14:17:20] [main/WARN]: The coremod FMLForgePlugin (net.minecraftforge.classloading.FMLForgePlugin) is not signed!
[14:17:20] [main/INFO]: Searching C:\Users\sipos\Twitch\Minecraft\Instances\Isla Unga Bunga\mods for mods
[14:17:20] [main/INFO]: Loading tweaker guichaguri.betterfps.tweaker.BetterFpsTweaker from BetterFps-1.4.8.jar
[14:17:20] [main/INFO]: Loading tweaker org.spongepowered.asm.launch.MixinTweaker from DynamicSurroundings-1.12.2-3.6.2.0 (2).jar
[14:17:20] [main/WARN]: Found FMLCorePluginContainsFMLMod marker in Forgelin-1.8.4.jar. This is not recommended, @mods should be in a separate jar from the coremod.
[14:17:20] [main/WARN]: The coremod net.shadowfacts.forgelin.preloader.ForgelinPlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[14:17:20] [main/WARN]: The coremod ForgelinPlugin (net.shadowfacts.forgelin.preloader.ForgelinPlugin) is not signed!
[14:17:20] [main/INFO]: Loading tweaker optifine.OptiFineForgeTweaker from OptiFine_1.12.2_HD_U_F5 (2).jar
[14:17:20] [main/WARN]: Found FMLCorePluginContainsFMLMod marker in Quark-r1.6-179.jar. This is not recommended, @mods should be in a separate jar from the coremod.
[14:17:20] [main/WARN]: The coremod Quark Plugin (vazkii.quark.base.asm.LoadingPlugin) is not signed!
[14:17:20] [main/INFO]: Loading tweak class name net.minecraftforge.fml.common.launcher.FMLInjectionAndSortingTweaker
[14:17:20] [main/INFO]: Loading tweak class name guichaguri.betterfps.tweaker.BetterFpsTweaker
[14:17:20] [main/INFO]: Loading tweak class name org.spongepowered.asm.launch.MixinTweaker
[14:17:20] [main/ERROR]: Unable to launch
java.lang.ClassNotFoundException: org.spongepowered.asm.launch.MixinTweaker
at java.net.URLClassLoader.findClass(URLClassLoader.java:381) ~[?:1.8.0_51]
at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_51]
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331) ~[?:1.8.0_51]
at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_51]
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:106) ~[launchwrapper-1.12.jar:?]
at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_51]
at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_51]
at java.lang.Class.forName0(Native Method) ~[?:1.8.0_51]
at java.lang.Class.forName(Class.java:348) ~[?:1.8.0_51]
at net.minecraft.launchwrapper.Launch.launch(Launch.java:98) [launchwrapper-1.12.jar:?]
at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.12.jar:?]
[14:17:20] [main/INFO]: [java.lang.ThreadGroup:uncaughtException:1052]: net.minecraftforge.fml.relauncher.FMLSecurityManager$ExitTrappedException
[14:17:20] [main/INFO]: [java.lang.ThreadGroup:uncaughtException:1052]: at net.minecraftforge.fml.relauncher.FMLSecurityManager.checkPermission(FMLSecurityManager.java:49)
[14:17:20] [main/INFO]: [java.lang.ThreadGroup:uncaughtException:1052]: at java.lang.SecurityManager.checkExit(SecurityManager.java:761)
[14:17:20] [main/INFO]: [java.lang.ThreadGroup:uncaughtException:1052]: at java.lang.Runtime.exit(Runtime.java:107)
[14:17:20] [main/INFO]: [java.lang.ThreadGroup:uncaughtException:1052]: at java.lang.System.exit(System.java:971)
[14:17:20] [main/INFO]: [java.lang.ThreadGroup:uncaughtException:1052]: at net.minecraft.launchwrapper.Launch.launch(Launch.java:138)
[14:17:20] [main/INFO]: [java.lang.ThreadGroup:uncaughtException:1052]: at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

Description:

Dynamic surrounding crashes at startup no idea why

please help

See #604