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Xcode Errors

Fix: AppIcon “did not have any applicable content” in Xcode

Xcode’s actool rejects your icon set because the pixel sizes don’t match the slots. Fix the AppIcon catalog, generate every size, and…

November 3, 2026

Independent, tested fixes for Xcode errors, Swift & SwiftUI, App Store Connect, iOS and macOS problems. Built from real error messages and Apple’s own release notes.

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Asset Catalog

Fix: AppIcon “did not have any applicable content” in Xcode