Retarget animation bug in 5.6?

[Riggs_VCE]

Hello, I am running into something I cant figure out. I am trying to retarget animation from a custom skeleton to a new metahuman one. I setup IKRigs for both skeletons and a retarget asset. In the retarget asset I set the preview settings to the animation I want to retarget and everything looks great.

When I try to retarget I get the error I pasted below. It does create the new retargetted animation asset however there is no animation on it at all.
Is this a bug? Doesnt seem like there is anything I am doing wrong since the preview looks correct.

/Game/Developers/JRiggs/AITests/Animations/animation Errors logged while validating asset Script Msg: /Game/Developers/JRiggs/AITests/Animations/animation : Provided Skeleton metahuman_base_skel does not match bound ControlRigObject SKEL_male_body_generic

[SparkyMcSparks]

I ran into this issue too in 5.6. In my case, it was because under Additive Settings, the Base Pose Type was set to use an animation frame, but the Base Pose Animation was null. I suspect it lost the reference when I moved animations around the project and fixed redirectors.

All I had to do was point it back to the correct Base Pose Animation, save, and then retarget – after that, it worked.

Hope this helps!