Xcode Cannot Run on the Selected Destination

Question

I was running my app this morning and now all of a sudden I am getting the following error when I try to run on the iPhone 5.1 simulator.

Cannot run on the selected

Answer 1

You might follow the steps:

• Quit Xcode and iPhone simulator
• Unplug your devices
• Goto /Users/your_usr_name/Library/Developer/Xcode/DerivedData/
• Delete all data under this folder
• Start Xcode again and run your project

Hope this will solve your problem.