Could not the load NIB in bundle: ' NSBundle ....

This problem was encountered when learning Nsnotification, the error log is as follows:

2015-08-28 17:47:24.617 nsnotificationdemo[7158:786614] * * * terminating app due to uncaught exception ' Nsinternalinconsistencyexception ', Reason: ' Could not the load NIB in bundle: ' NSBundle </private/var/mobile/containers/ Bundle/application/18d95fa1-2aa9-48b8-9528-4fd9b9b65b75/nsnotificationdemo.app> (Loaded) ' with name ' Viewcontroller ' * * * * First throw Call stack: (0x287910d7 0x36c23c77 0x2879101d 0x2c1c32a9 0x2c0da987 0x2bf0e6dd 0x2bdf2349 0X2BDF22CD 0x2bdf83f7 0x2bdf5d6f 0x2be60e91 0xebad9 0x2be5dc85 0x2c05426b 0x2c05690f 0x2c0615e9 0x2c0550c7 0x2f265ec1 0x2 8757035 0x287562f9 0x28754e53 0x286a06d1 0x286a04e3 0x2be57867 0x2be52445 0xebc3d 0x371f1aaf) Libc++abi.dylib: Terminating with uncaught exception of type NSException

The following two URLs refer to this issue, the problem still exists after the inspection, and is still in the search for solutions ...

1. http://blog.csdn.net/itianyi/article/details/8547895

2. http://www.cocoachina.com/bbs/read.php?tid=265037

Could not the load NIB in bundle: ' NSBundle ....