Dealloc一个viewcontroller警告

The*_*ner 21 xcode memory-management ios

我收到这个非常烦人的警告.当我尝试从另一个viewController分配新的viewController时出现问题.有没有人见过这个警告?我能做些什么让它消失?解决它对我来说很重要.

2016-09-19 16:55:09.216523 App[5204:1274804] [Common] _BSMachError: port e26f; (os/kern) invalid capability (0x14) "Unable to insert COPY_SEND"
2016-09-19 16:55:09.217554 App[5204:1274804] [Common] _BSMachError: port e26f; (os/kern) invalid name (0xf) "Unable to deallocate send right"
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Dan*_* Lu 11

DispatchQueue.main.async(execute: {
  // put your code to do allocate new viewController from 
  // another viewController here to ensure running in main thread
})
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