Xcode 11.2 - Unable to install App file to device?

Question

I recently updated my OS to Catalina, and updated Xcode to 11.2. Since doing so, when I try to run a release version of my app on my device, I\'m simply given the error:

Answer 1

This is a codesign problem.

You can check iOS device logs to see which framework go wrong. filter 'installd' process. you can clearly say which framework codesign is wrong. so just find it out and fix it!

0x16fa53000 +[MICodeSigningVerifier _validateSignatureAndCopyInfoForURL:withOptions:error:]: 77: Failed to verify code signature of /var/installd/Library/Caches/com.apple.mobile.installd.staging/temp.dABVKh/extracted/Your.app/Frameworks/xxx.framework : 0xe8008001 (An unknown error has occurred.)
0x16fa53000 -[MIInstaller performInstallationWithError:]: Verification stage failed