java.lang.RuntimeException: java.lang.IllegalArgumentException: object is not an instance of declaring class
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Thrown to indicate that a method has been passed an illegal or inappropriate argument. Check that you don't have more than one method existing with the same name.
java.lang.IllegalArgumentException: object is not an instance of declaring class
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.inventivetalent.mapmanager.TimingsHelper.startTiming(TimingsHelper.java:25)
at org.inventivetalent.animatedframes.AnimatedFrame$1.run(AnimatedFrame.java:310)
at org.bukkit.craftbukkit.v1_10_R1.scheduler.CraftTask.run(CraftTask.java:58)
at org.bukkit.craftbukkit.v1_10_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:352)
at net.minecraft.server.v1_10_R1.MinecraftServer.D(MinecraftServer.java:781)
at net.minecraft.server.v1_10_R1.DedicatedServer.D(DedicatedServer.java:404)
at net.minecraft.server.v1_10_R1.MinecraftServer.C(MinecraftServer.java:725)
at net.minecraft.server.v1_10_R1.MinecraftServer.run(MinecraftServer.java:624)
at java.lang.Thread.run(Unknown Source)