[18:30:56] [Server thread/WARN]: [U2D] Task #369 for Up2Date v1.3.1 generated an exception
java.lang.NoClassDefFoundError: com/gamerking195/dev/autoupdaterapi/AutoUpdaterAPI
	at com.gamerking195.dev.up2date.util.UtilU2dUpdater$1.run(UtilU2dUpdater.java:72) ~[?:?]
	at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:58) ~[patched_1.12.2.jar:git-Paper-1322]
	at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:356) [patched_1.12.2.jar:git-Paper-1322]
	at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:833) [patched_1.12.2.jar:git-Paper-1322]
	at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:426) [patched_1.12.2.jar:git-Paper-1322]
	at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:767) [patched_1.12.2.jar:git-Paper-1322]
	at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:665) [patched_1.12.2.jar:git-Paper-1322]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_161]
Caused by: java.lang.ClassNotFoundException: com.gamerking195.dev.autoupdaterapi.AutoUpdaterAPI
	at java.net.URLClassLoader.findClass(URLClassLoader.java:381) ~[?:1.8.0_161]
	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:156) ~[patched_1.12.2.jar:git-Paper-1322]
	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:104) ~[patched_1.12.2.jar:git-Paper-1322]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_161]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_161]
	... 8 more