Description (Required)

The mcMMO unarmed ability duplicate all Slimefun glass machine.

Steps to reproduce the Issue (Required)

1. Install mcMMO + Slimefun your server.
2. Place glass Slimefun machines.
3. Set unarmed level to 1000. /addlevels player unarmed 1000
4. Activate mcMMO unarmed ability.
5. Break Slimefun glass machines.
6. Glass machines duplicated. (Example.: Heated Pressure Chamber, Electric Dust Washer, ...)

https://www.youtube.com/watch?v=rYvKlXRGTck

Expected behavior (Required)

The mcMMO unarmed ability NO duplicate all glass machine.

Server Log / Error Report

Environment (Required)

• Minecraft Version: 1.15.2
• Slimefun Version: Slimefun vDEV - 523 (git f65ac6b)
• CS-CoreLib Version: CS-CoreLib vDEV - 85 (git 4a7fce52)

You should probably report that to mcMMO instead.
Looks like they are firing a BlockBreakEvent twice here.