Woodcraft server Lucifer92 I changed a pulse bow and after 5 minutes the game quit and the pulse bow was no longer in the inventory

I'm Lucifer92 what's with the el bug pulse bow?

What I expected to happen was...:
Give back pulse bow 

What actually happened was...:
Describe what happened here

Steps to Reproduce:
1. Put a step by step guide on how to trigger the bug here
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