incompability with mod playerAnimator

[worm-in-concrete]

incompability with playerAnimator (player-animation-lib-fabric-2.0.1+1.21.1)

FastMove-1.21-1.0.8
MC - 1.21.1 Fabric

Error: "Caught error loading resourcepacks, removing all selected resourcepacks",
"Caused by: java.lang.NoSuchMethodError: 'dev.kosmx.playerAnim.core.data.KeyframeAnimation dev.kosmx.playerAnim.minecraftApi.PlayerAnimationRegistry.getAnimation(net.minecraft.class_2960)'"

logs: https://mclo.gs/ilVG6Ch

[worm-in-concrete]

I also reported this bug on the minecraftPlayerAnimator github.
Here is the reply:
"KosmX
8 hours ago
Owner
Please report this issue on FastMove, it is using an outdated and removed API."

[Catt9ine]

Does anyone know what api it's using?