xcode 7.2 beta 4 运行时报错 Could not instantiate class named IBNSLayoutConstraint

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xcode 7.1.1 运行正常，但是 xcode 7.2 beta4 运行报错

Terminating app due to uncaught exception 'NSInvalidUnarchiveOperationException', reason: 'Could not instantiate class named IBNSLayoutConstraint'

这种错误不应该是 xcode 4.5 到 5 的时候才会出现吗？网上这么说，求大牛解答～～。

Xcode

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could

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1 replies • 2015-12-05 23:10:55 +08:00

kojirou

Dec 5, 2015

beta 版不和苹果反馈吗