Integrity cannot be verified

Created debug version of my app exactly the same as the debug version I created a few weeks ago. Voltbuilder built the app and there were no error messages in the log. When I went to install it on my new iPhone 12, I got the error “Integrity cannot be verified”. Tried reloading the same executable on my iPhone 8 and it loaded fine. Only difference is that the iPhone 12 is ios 14.4.2 whereas the iPhone 8 is 14.4.1

Do you have your new phone set up in your mobileprovision file?

You’ll need to add it on Apple’s site, then generate and download the new version of the file. You should not need to redo your certificate.

Doooh! (sound of hand slapping forehead)