[03:39:43 ERROR]: Could not pass event PlayerInteractEntityEvent to SonarPet v1.0.1-SNAPSHOT
org.bukkit.event.EventException
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:302) ~[patched.jar:git-PaperSpigot-440]
        at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:78) ~[patched.jar:git-PaperSpigot-440]
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[patched.jar:git-PaperSpigot-440]
        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:501) [patched.jar:git-PaperSpigot-440]
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:486) [patched.jar:git-PaperSpigot-440]
        at net.minecraft.server.v1_8_R3.PlayerConnection.a(PlayerConnection.java:1342) [patched.jar:git-PaperSpigot-440]
        at net.minecraft.server.v1_8_R3.PacketPlayInUseEntity.a(SourceFile:52) [patched.jar:git-PaperSpigot-440]
        at net.minecraft.server.v1_8_R3.PacketPlayInUseEntity.a(SourceFile:11) [patched.jar:git-PaperSpigot-440]
        at net.minecraft.server.v1_8_R3.PlayerConnectionUtils$1.run(SourceFile:13) [patched.jar:git-PaperSpigot-440]
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_77]
        at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_77]
        at net.minecraft.server.v1_8_R3.SystemUtils.a(SourceFile:44) [patched.jar:git-PaperSpigot-440]
        at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:774) [patched.jar:git-PaperSpigot-440]
        at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:378) [patched.jar:git-PaperSpigot-440]
        at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:713) [patched.jar:git-PaperSpigot-440]
        at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:616) [patched.jar:git-PaperSpigot-440]
        at java.lang.Thread.run(Thread.java:745) [?:1.8.0_77]
Caused by: java.lang.NoClassDefFoundError: com/dsh105/echopet/libs/com/dsh105/commodus/IdentUtil
        at com.dsh105.echopet.compat.nms.v1_8_R3.entity.EntityPet.onInteract(EntityPet.java:247) ~[?:?]
        at com.dsh105.echopet.listeners.PetOwnerListener.onPlayerInteractEntity(PetOwnerListener.java:75) ~[?:?]
        at sun.reflect.GeneratedMethodAccessor355.invoke(Unknown Source) ~[?:?]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_77]
        at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_77]
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:300) ~[patched.jar:git-PaperSpigot-440]
        ... 16 more