[20:51:43 WARN]: java.lang.ClassCastException: org.bukkit.craftbukkit.v1_8_R1.bl
ock.CraftBlock cannot be cast to org.bukkit.material.MaterialData
[20:51:43 WARN]:        at com.zanax.hideoutraid.ShipHeist.stop(ShipHeist.java:5
22)
[20:51:43 WARN]:        at com.zanax.hideoutraid.ShipHeist.deliver(ShipHeist.jav
a:386)
[20:51:43 WARN]:        at com.zanax.hideoutraid.ShipHeist.tick(ShipHeist.java:3
33)
[20:51:43 WARN]:        at nl.makertim.MMOmain.GameWorld.run(GameWorld.java:152)

[20:51:43 WARN]:        at org.bukkit.craftbukkit.v1_8_R1.scheduler.CraftTask.ru
n(CraftTask.java:71)
[20:51:43 WARN]:        at org.bukkit.craftbukkit.v1_8_R1.scheduler.CraftSchedul
er.mainThreadHeartbeat(CraftScheduler.java:350)
[20:51:43 WARN]:        at net.minecraft.server.v1_8_R1.MinecraftServer.z(Minecr
aftServer.java:695)
[20:51:43 WARN]:        at net.minecraft.server.v1_8_R1.DedicatedServer.z(Dedica
tedServer.java:316)
[20:51:43 WARN]:        at net.minecraft.server.v1_8_R1.MinecraftServer.y(Minecr
aftServer.java:625)
[20:51:43 WARN]:        at net.minecraft.server.v1_8_R1.MinecraftServer.run(Mine
craftServer.java:528)
[20:51:43 WARN]:        at java.lang.Thread.run(Unknown Source)