Ch11 P301 Error Terminating app due to uncaught exception 'NSInvalidArgumentException'

📚 Official Books 2D iOS & tvOS Games by Tutorials
1

I’ve just added the hint sprite and the start of the HintNode code and get this error.

Any suggestions? Thanks

2

Hmm. Looks like I attached the Custom Class HintNode to the scene (maybe as well as the hint node)