I found this error message. This error is when running as a device.
The solution is following these steps.
step 1. open "iOS Example" project step 2. "Target" -> "General" step 3. change "Do not Embed" to "Embed & Sign" in "Frameworks, Libraies, and Embedded Content"
You can use it!
The example can to work. it show "'/System/Library/Frameworks/SkeletonView.framework/SkeletonView' (no such file)" errors #471
thany you supply so Exciting project. My xcode is 13, and swift 5.