Agricraft doesn't recognize Mysticalagriculture

Mods and versions used

• Minecraft: 1.12.2
• AgriCraft: 2.12.0 a4
• InfinityLib: 1.12.0
  *Mysticalagriculture-1.12-1.6.12

Bug

There is my bug agricraft doesn't recognize Mysticalagriculture, I can't even put it in the seed analyzer and it doesn't work when I try planting them in the crops sticks.
Thanks for reading that, I hope you can help me.

Your environment

• How are you playing?
  • Operating System:
  • Launcher: X
  • Modpack:
• What kind of server:
  • [ X ] Singleplayer
  • Multiplayer
• Game Modes:
  • [ X ] Survival
  • Creative
• Save File:
  • [ X ] Brand new save
  • Only an existing save