error: SWIFT_VERSION '3.0' is unsupported, supported versions are: 4.0, 4.2, 5.0. (in target 'Swi...

swift与OC混编项目,pod更新出现

error: SWIFT_VERSION '3.0' is unsupported, supported versions are: 4.0, 4.2, 5.0. (in target 'SwiftyJSON')

解决办法:


image.png

重新运行即可

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