hier der log eintrag dazu
[14:00:12] [main/INFO] [FML]: Java is Java HotSpot(TM) 64-Bit Server VM, version 1.8.0_51, running on Windows 10:amd64:10.0, installed at C:\Program Files (x86)\Minecraft Launcher\runtime\jre-x64
[14:00:12] [main/WARN] [FML]: The coremod FMLCorePlugin (net.minecraftforge.fml.relauncher.FMLCorePlugin) is not signed!
[14:00:12] [main/WARN] [FML]: The coremod FMLForgePlugin (net.minecraftforge.classloading.FMLForgePlugin) is not signed!
[14:00:12] [main/INFO] [FML]: Searching C:\Users\arman\AppData\Roaming.minecraft\mods for mods
[14:00:12] [main/WARN] [FML]: Found FMLCorePluginContainsFMLMod marker in Blockbuster-Mod-1.12.2.jar. This is not recommended, @Mods should be in a separate jar from the coremod.
[14:00:12] [main/WARN] [FML]: The coremod BlockbusterCore (mchorse.blockbuster.core.BBCoreMod) is not signed!