caseerror

 [CaseOpening] Task #5941 for CaseOpening v1.5.3 generated an exception
java.lang.NoSuchFieldError: CLICK
	at nl.Mil0d.MRun.run(MRun.java:82) ~[?:?]
	at org.bukkit.craftbukkit.v1_9_R1.scheduler.CraftTask.run(CraftTask.java:58) ~[patched_1.9.jar:git-Paper-531]
	at org.bukkit.craftbukkit.v1_9_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:352) [patched_1.9.jar:git-Paper-531]
	at net.minecraft.server.v1_9_R1.MinecraftServer.D(MinecraftServer.java:784) [patched_1.9.jar:git-Paper-531]
	at net.minecraft.server.v1_9_R1.DedicatedServer.D(DedicatedServer.java:404) [patched_1.9.jar:git-Paper-531]
	at net.minecraft.server.v1_9_R1.MinecraftServer.C(MinecraftServer.java:714) [patched_1.9.jar:git-Paper-531]
	at net.minecraft.server.v1_9_R1.MinecraftServer.run(MinecraftServer.java:613) [patched_1.9.jar:git-Paper-531]
	at java.lang.Thread.run(Thread.java:745) [?:1.8.0_31]