Motion warping disappear after re-open the editor

Hi, I have weird issue with UE5.2. So, I installed Motion warping plugin, added Motionwarping into the Build.cs code. But when I close UE5.2 and reopen it again I found the Motionwarping is not there in the TPS BP. It disappears. Anyone knows how to fix this error. I upload the screenshot for a look. Thank you.

I have read other post that claim to have fixed this, but they don’t work, did you ever figure this out ?