🍎 iOS errors

Xcode, Swift, CocoaPods and code-signing errors.

Code	Error	What it means
ATS	App Transport Security has blocked a cleartext HTTP resource load	iOS blocked an `http://` request (or a weak-TLS HTTPS one) because App Transport Security requires secure con…
CocoaPods compatible versions	CocoaPods could not find compatible versions for pod	pod install can’t satisfy the version constraints — outdated spec repo, a higher deployment target required,…
Unexpectedly found nil	Fatal error: Unexpectedly found nil while unwrapping an Optional value	Swift force-unwrapped (`!`) an optional that was nil, crashing the app.
PhaseScriptExecution	Xcode: Command PhaseScriptExecution failed with a nonzero exit code	A Run Script build phase (CocoaPods, React Native, Flutter, SwiftLint, Crashlytics…) failed. The real error i…
Multiple commands produce	Xcode: Multiple commands produce '…/Info.plist' (or another file)	Two build steps write the same output file — usually Info.plist or an asset added to “Copy Bundle Resources”,…
No signing certificate	Xcode: No signing certificate "iOS Development" found	Xcode can’t find a valid code-signing certificate + private key for the selected team in your keychain.