Common troubleshooting methods for iOS development

1. The following error occurred:

STORYBOARDAPP[8593:207] Failed to instantiate the default view controller for Uimainstoryboardfile ' Mainstoryboard '-perh APS The designated entry point are not set?

The reason for this problem should be that no view controller in your storyboard set the initial Scene. You need to select a view Conroller as the first interface for story board:

2. Error occurred:

Receiver XXX type for instance message is a forward declaration

Close the Arc of the project (Automatic Reference counting)

ARC Tutorial included: http://www.onevcat.com/2012/06/arc-hand-by-hand/

Common troubleshooting methods for iOS development