My app was rejected
Now to explain line by line
2015-04-01 12:37:49.693 AppName[1356]: <Error> assertion failed: 12B411: libxpc.dylib + 71820 [AD580443-238D-3997-8D09-004C210D0C18]: 0x7d
2015-04-01 12:37:49.735 AppName[1356]: <Warning> didFinishLaunchingWithOptions
2015-04-01 12:37:49.920 AppName[1356]: <Warning> <Google> To get test ads on this device, call: request.testDevices = @[ @"0c89927b8069d5a3837e9a7d4b3e9b8c" ];
2015-04-01 12:37:50.149 AppName[1356]: <Error> *** Terminating app due to uncaught exception '', reason: 'Error opening stream: The operation couldn’t be completed. No such file or directory'
I've found exact same error on xamarin forum
http://forums.xamarin.com/discussio...-app-crash-on-startup-by-apple-review-process
They have some workaround for xamarin, but what I can do, as I can't reproduce crash on my device, actuality only Apple can (as we can read on link above)?

Crash log:2.1 Details. We were unable to review your app, as it crashed on launch. We have attached detailed crash logs to help troubleshoot this
2015-04-01 12:37:49.693 AppName[1356]: <Error> assertion failed: 12B411: libxpc.dylib + 71820 [AD580443-238D-3997-8D09-004C210D0C18]: 0x7d
2015-04-01 12:37:49.735 AppName[1356]: <Warning> didFinishLaunchingWithOptions
2015-04-01 12:37:49.920 AppName[1356]: <Warning> <Google> To get test ads on this device, call: request.testDevices = @[ @"0c89927b8069d5a3837e9a7d4b3e9b8c" ];
2015-04-01 12:37:50.149 AppName[1356]: <Error> *** Terminating app due to uncaught exception '', reason: 'Error opening stream: The operation couldn’t be completed. No such file or directory'
Now to explain line by line
2015-04-01 12:37:49.693 AppName[1356]: <Error> assertion failed: 12B411: libxpc.dylib + 71820 [AD580443-238D-3997-8D09-004C210D0C18]: 0x7d
B4X:
If File.Exists(File.DirDocuments, "database.db") = False Then
File.Copy(File.DirAssets, "database.db", File.DirDocuments, "database.db")
End If
2015-04-01 12:37:49.735 AppName[1356]: <Warning> didFinishLaunchingWithOptions
B4X:
I don't know what is this.
2015-04-01 12:37:49.920 AppName[1356]: <Warning> <Google> To get test ads on this device, call: request.testDevices = @[ @"0c89927b8069d5a3837e9a7d4b3e9b8c" ];
B4X:
AdView1.LoadAd
2015-04-01 12:37:50.149 AppName[1356]: <Error> *** Terminating app due to uncaught exception '', reason: 'Error opening stream: The operation couldn’t be completed. No such file or directory'
B4X:
SQL1.Initialize(File.DirDocuments, "database.db", False)
I've found exact same error on xamarin forum
http://forums.xamarin.com/discussio...-app-crash-on-startup-by-apple-review-process
They have some workaround for xamarin, but what I can do, as I can't reproduce crash on my device, actuality only Apple can (as we can read on link above)?