The StandardFunctionLibrary for the control rig plugin seems to be broken.
The blueprint shows errors because of pins being broken.
I tried deleting the file locally and verifying my install to recreate it, but it was still the same. I then uninstalled UE 5.6 and reinstalled it, still the same.
I then tried installed UE 5.7 and still the same result.
This blueprint not being able to be compiled prevents me from cooking & packaging my project.
There have been other reports of this, example: