Xcode 8 beta 4: "Could not attach to pid : 1110" when running on physical device

Question

I made a messages extension and when I run it on the iOS simulator everything runs no problem. When I try to run it on my phone, it compiles and says running for about 5 seconds before crashing and giving me a pop down message in Xcode saying Could not attach to pid Here is a screenshot:

I am using Xcode 8 beta 4 with iOS 10. Everything runs fine in simulator this is on physical device. I have rebooted and restarted everything. I have even tried on two phones. Anyone know the solution?

Thanks

This is the second time I've seen someone call Xcode 8.0 beta _x_ "Xcode 8.x beta". — tktsubota, Aug 07 '16 at 06:37
I have the same error occurring, with Xcode 8.0 GM, but on the simulator. — Chris Prince, Sep 26 '16 at 20:36

score 20 · Accepted Answer · answered Aug 07 '16 at 07:35

20

Okay this is a tough one. I went searching though the Xcode beta 4 release notes and found the answer in the known bugs section:

answered Aug 07 '16 at 07:35

random_0620

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Thx you save my day. – vichhai Oct 11 '16 at 02:07

Xcode 8 beta 4: "Could not attach to pid : 1110" when running on physical device

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