Issue Entity Item Stack

Minecraft Forge:
SpongeForge: 1.10.2-2221-5.1.0-BETA-2178
SpongeAPI: 5.1.0-SNAPSHOT-794171b
Minecraft: 1.10.2

I have a mod I had made, an entity in the mod is supposed to make the player drop all there items when they are too close (in this case, touching) to the entity. Now for some reason it makes the player drop like stacks of the item when its only supposed to drop what the player has in there inventory. This works with basic forge servers, and vanilla, the issue seems to happen with Sponge.

something is wrong with that exception, it looks like it may be backwards. For legibility, can you copy it from one of the fml logs?