Bukkit

What steps will reproduce the problem?
1.Left clicking with a egg on a animal / monster

What is the expected output? What do you see instead?
to lose a egg. it doesn't

What versions MobCatcher, CraftBukkit, and Spout (if any) are you using?
MobCatcher v3.18
This server is running CraftBukkit version git-Spigot-1611 (MC: 1.7.10)

Have you previously had any older versions of MobCatcher on your server?
Yes I had.

Do you have an error log of what happened?
No errors in console

Please provide any additional information below.
The only thing it does is NOT remove an egg from my Inventory when I left-click with a egg on an animal / monster.
It does not output any error to the console and I do capture it