iOS模拟器找不到SDK，可能需要重新安装SDK

Here I am stuck in another problem,am working on an iOS Application today and as i run my Application for iPhone 5.0 Simulator got some weird issue on that simulator only. There were two window pop Over alert on my MacBook Screen when i was trying run again and again getting same issue for that simulator only.that pop over alert windows showing below quotation.Here I am stuck in another problem,am working o