Could not find module 'PromiseKit' for target 'x86_64-apple-ios-simulator'; found: arm64, arm64-apple-ios-simulator, at: /Users/.../Library/Developer/Xcode/DerivedData/...-fegumwieafhctvflusomkxujrdgf/Build/Products/Debug-iphonesimulator/PromiseKit/PromiseKit.framework/Modules/PromiseKit.swiftmodule
Xcode 13.0, Apple M1 laptop. Dependency was added by SPM. Adding arm64 to excluded architectures didn't help.