The selected run destination is not valid for this action

Question

I have opened a project that has always been iphone/ipad. I can\'t build it now because for some reason my only \"Scheme\" option is \"MyApp My Mac 64-bit\". How can I get t

Answer 1

I just installed Xcode 4.1 (painful!) and when I opened one of my apps that built fine before the upgrade, the only active scheme was "My 64-bit Mac". In this case, the required change was to Edit Schemes, and for the Build scheme's Info tab, set the Executable dropdown to my target. It was set to None. As soon as I did that, the simulator/device showed up instead.