I also have the same issue
The application cannot be opened for an unexpected reason, error=Error Domain=NSOSStatusErrorDomain Code=-10810 "kLSUnknownErr: Unexpected internal error"
My App works on 2 Machines (2 machines that were used to develop it) The rest of the machines have the error. I am think it is maybe some missing dependencies ( you see the a lot in windows development). Wonder if my Xcode build process needs to be tweaked so that all dependencies are included.
I am using Cocoapods and AppAuth (for authN) maybe that is where the issue is.
azahur
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turned out to be a quarantine issue. need to run
xattr -cr </path/to/app> like someone else above mentioned
Seems my issue was when the application was being shared with other team members it was marked as quarantine.
Wish Apple could provide a proper error