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iOS- Terminating app due to uncaught exception 'NSRangeException'

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Terminating app due to uncaught exception 'NSUnknownKeyException' this class is not key value coding-compliant for the key

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*** Terminating app due to uncaught exception 'NSUnknownKeyException', reason: '[ViewController > setValue:forUndefinedKey:]: this class is not key value coding-compliant for the key

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在使用可变数组过程中遇到*** Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: '-[__NSCFDictionary setObject:forKey:]: mutating method sent to immutable object'问题

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*** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '[<_UIFeedbackParameters 0x1d4442e50> setNilValueForKey]: could not set nil as the value for the key rate.'

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Terminating app due to uncaught exception 'CALayerInvalid', reason: 'layer <CALayer: 0x7fda42c66e30> is a part of cycle in its layer tree'

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