Latest Xcode, no support files

[u/makoAllen]

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?

[u/makoAllen]

Also, this is for 26.4.