Harpy Nest dublication

[gollariel]

General Info

• [x] I am running a modpack
• [x] I can reproduce this issue consistently
  • [ ] In single player
  • [x] In multiplayer
• [x] I have searched for this issue previously and it was either (1) not previously reported, or (2) previously fixed and I'm having the same problem.
• [ ] I am crashing and can provide my crash report(s)
• [x] I am using the latest version of the mod

Client Info

• Minecraft Version: 1.12.2
• Forge Version: 14.23.5.2838
• Mod Version: 1.6.9.3
• Java Version: 1.8.0_201

Issue Description

After trying to break the "Harpy Nest", Harpy Nest still stay, and another "Harpy Nest" is fall down.

Reproduce Steps

• Place "Harpy Nest"
• Break "Harpy Nest"

Additional Information

Full logs from client: https://gist.github.com/gollariel/bd4892dffabbde9318c84856a93a2b01 Video description: https://youtu.be/0y2tjZuElSo Mods list: https://gist.github.com/gollariel/aa53bb936ba8f0caa1cc2e6186cb0fbb