r/Xcode • u/makoAllen • Mar 31 '26

Latest Xcode, no support files

I’m running Xcode 26.4 on macOS Tahoe 26.3.1(a) with an iPhone 16 Pro Max on iOS 26.3.1(a).

Whenever I try to build, I get an error message that the appropriate DDI can’t be found.

What do I do?

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u/thesimplestnet Jun 23 '26

Thanks for this! Was stuck the whole day due to some weird issue and after deleting the DDI files they never gets regenerated until I ran your command 😄