How to locate warnings in Xcode storyboard?

How to locate warnings in Xcode storyboard?

References

Reference NO 1

http://stackoverflow.com/questions/13649614/how-to-locate-warnings-in-xcode-storyboard

Reference NO 2

http://stackoverflow.com/questions/13531035/xcode-scene-is-unreachable-due-to-lack-of-entry-points-but-cant-find-it

Reference NO 3

http://developer.apple.com/library/ios/documentation/iPhone/Conceptual/SecondiOSAppTutorial/Troubleshooting/Troubleshooting.html

Reference NO 4

http://developer.apple.com/library/ios/documentation/DeveloperTools/Conceptual/WhatsNewXcode/Articles/xcode_4_2.html

Reference NO 5

http://www.raywenderlich.com/5138/beginning-storyboards-in-ios-5-part-1

Reference NO 6

http://www.techotopia.com/index.php/Using_Xcode_Storyboarding_(iPhone_iOS_5)

Reference NO 7

http://need-bee.com/b/2013/08/could-not-find-a-storyboard-in-xcode-5-for-ios-5-0/

Reference NO 8

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