Error _BSMachError: (os/kern) invalid capability (20) after receiving remote notification on CloudKit record addition

ios cloudkit
vomako picture vomako · Jul 30, 2015 · Viewed 21k times · Source

When I receive a remote notification on a record addition (didReceiveRemoteNotification called), I get the following error message:

_BSMachError: (os/kern) invalid capability (20)

I've already tried to find out more about this in forums and via Google but I could not find any helpful advice that applies to my situation.

What does the error message mean? What can I do about it?

Answer

davidey picture davidey · Sep 30, 2015

I just experienced this error. I was in a UIAlert Action block; when the block exited the error occurred (BTW the parent UIAlertViewController was created in a dispatch_async block so was I guess off main thread.

Anyway, I wrapped the action code itself in 

dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{

       [self handleActionForElement:thisType];



    });

and error went away. Your mileage may vary!

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