[01:48:45 ERROR] [Sponge]: Failed to load plugin: ViaVersion 2.1.3-SNAPSHOT (from mods/viaversion-sponge-2.1.3-SNAPSHOT.jar)
java.lang.ClassNotFoundException: us.myles.ViaVersion.SpongePlugin
	at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191) ~[launchwrapper-1.12.jar:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_212]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_212]
	at java.lang.Class.forName0(Native Method) ~[?:1.8.0_212]
	at java.lang.Class.forName(Class.java:264) ~[?:1.8.0_212]
	at org.spongepowered.server.plugin.VanillaPluginManager.loadPlugin(VanillaPluginManager.java:161) ~[VanillaPluginManager.class:1.12.2-7.1.6]
	at java.util.ArrayList.forEach(ArrayList.java:1257) ~[?:1.8.0_212]
	at org.spongepowered.server.plugin.VanillaPluginManager.loadPlugins(VanillaPluginManager.java:89) ~[VanillaPluginManager.class:1.12.2-7.1.6]
	at org.spongepowered.server.SpongeVanilla.preInitialize(SpongeVanilla.java:122) ~[SpongeVanilla.class:1.12.2-7.1.6]
	at net.minecraft.server.dedicated.DedicatedServer.handler$onServerLoad$bbh000(SourceFile:1234) ~[nz.class:?]
	at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(SourceFile:117) ~[nz.class:?]
	at net.minecraft.server.MinecraftServer.run(SourceFile:1419) ~[MinecraftServer.class:?]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_212]
Caused by: java.lang.NoClassDefFoundError: us/myles/ViaVersion/api/platform/ViaPlatform
	at java.lang.ClassLoader.defineClass1(Native Method) ~[?:1.8.0_212]
	at java.lang.ClassLoader.defineClass(ClassLoader.java:763) ~[?:1.8.0_212]
	at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) ~[?:1.8.0_212]
	at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182) ~[launchwrapper-1.12.jar:?]
	... 12 more
Caused by: java.lang.ClassNotFoundException: us.myles.ViaVersion.api.platform.ViaPlatform
	at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191) ~[launchwrapper-1.12.jar:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_212]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_212]
	at java.lang.ClassLoader.defineClass1(Native Method) ~[?:1.8.0_212]
	at java.lang.ClassLoader.defineClass(ClassLoader.java:763) ~[?:1.8.0_212]
	at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) ~[?:1.8.0_212]
	at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182) ~[launchwrapper-1.12.jar:?]
	... 12 more
Caused by: java.lang.NullPointerException
	at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182) ~[launchwrapper-1.12.jar:?]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_212]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_212]
	at java.lang.ClassLoader.defineClass1(Native Method) ~[?:1.8.0_212]
	at java.lang.ClassLoader.defineClass(ClassLoader.java:763) ~[?:1.8.0_212]
	at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) ~[?:1.8.0_212]
	at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182) ~[launchwrapper-1.12.jar:?]
	... 12 more