this class is not key value coding-compliant for the key string iOS exception swift

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Error:

[<UIViewController 0x3927310> setValue:forUndefinedKey:]: this class is not key value coding-compliant for the key string.'

 Solution:

 1. If your storyboard Viewcontroller contains wrong class name then the error will came.

2. If you had wrong outlet connections in your class then the error occurs

3.If your class filename not selected for target membership it will came

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