14.12 21:36:51 [Server] WARN [CrackShot] Task #213348 for CrackShot v0.97.17 generated an exception
14.12 21:36:51 [Server] INFO java.lang.IllegalArgumentException: Cannot drop AIR.
14.12 21:36:51 [Server] INFO at org.apache.commons.lang.Validate.isTrue(Validate.java:136) ~[spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
14.12 21:36:51 [Server] INFO at org.bukkit.craftbukkit.v1_8_R3.CraftWorld.dropItem(CraftWorld.java:310) ~[spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
14.12 21:36:51 [Server] INFO at com.shampaggon.crackshot.CSDirector.launchGrenade(CSDirector.java:3666) ~[?:?]
14.12 21:36:51 [Server] INFO at com.shampaggon.crackshot.CSDirector$4.run(CSDirector.java:1824) ~[?:?]
14.12 21:36:51 [Server] INFO at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
14.12 21:36:51 [Server] INFO at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
14.12 21:36:51 [Server] INFO at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:723) [spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
14.12 21:36:51 [Server] INFO at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:374) [spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
14.12 21:36:51 [Server] INFO at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:654) [spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
14.12 21:36:51 [Server] INFO at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:557) [spigot-1.8.8.jar:git-Spigot-db6de12-18fbb24]
14.12 21:36:51 [Server] INFO at java.lang.Thread.run(Thread.java:748) [?:1.8.0_222]