Pixelmon [1.12.2] problem

Hello everybody! I have problem with pixelmone mod. This bug dont work in single.
Video: https://youtu.be/0cm2V8CBu5s
Sponge: latest version (1.12.2)
Pixelmon: Version 1.12.2-7.0.8 Forge 2838
Mods and plugins:
image