I met this problem when I start my first Objective-C project. I use the Xcode 11 Beta 2, and when I just type:
then the Xcode shows me the error:
Could not build module 'Foundation'
How can I solve this error? I'm really appricieate your help
Thanks a lot!
If you’re just starting out, you should work with released tools, which means Xcode 10.2.1, available from the Mac App Store. Pre-releases tools often have weird problems, and it’s best to avoid those where you can.
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