Xcode12 beta5 Simulation could not install App

After update Xcode12 beta5, when use Simulation debug my App, get a mistake:

This app could not be installed at this time.
Could not install at this time.
Missing required internal diagnostics variant

Details is:

This app could not be installed at this time.
Domain: IXUserPresentableErrorDomain
Code: 1
Failure Reason: Could not install at this time.
Recovery Suggestion: Missing required internal diagnostics variant

• -

Missing required internal diagnostics variant
Domain: MIInstallerErrorDomain
Code: 157
User Info: {
    FunctionName = "-[MIGlobalConfiguration isRunningInTestMode:outError:]";
    SourceFileLine = 643;
}

• -

And creat a new empty application, Simulation running OK, where is the point?