iOS Development Exception Error Summary: wait_fences:failed to receive reply:10004003

If in the process of using Uialertview, inexplicably appear wait_fences:failed to receive reply:10004003 this error, then Ten is because you forgot to close the keyboard.

Uialertview a pop-up, if the keyboard is not closed, lost focus, when the Uialertview closed, and then back to the original interface, will be embarrassed to receive

Wait_fences:failed to receive reply:10004003

Simple, just close the keyboard before the dialog box pops up.

[Self.textfield Resignfirstresponder];

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