[00:26:13] [Server thread/ERROR]: Encountered an unexpected exception
java.lang.NoClassDefFoundError: Could not initialize class net.minecraft.server.v1_7_R1.CrashReport
        at net.minecraft.server.v1_7_R1.MinecraftServer.u(MinecraftServer.java:638) ~[creative.jar:git-Spigot-1225]
        at net.minecraft.server.v1_7_R1.DedicatedServer.u(DedicatedServer.java:273) ~[creative.jar:git-Spigot-1225]
        at net.minecraft.server.v1_7_R1.MinecraftServer.t(MinecraftServer.java:540) ~[creative.jar:git-Spigot-1225]
        at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java:446) [creative.jar:git-Spigot-1225]
        at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:617) [creative.jar:git-Spigot-1225]
[00:26:13] [Server thread/INFO]: Stopping server