EmojiRanger-watchos-simulator-error.md

This happened after it successfully built, but didn't launch.
Simulator device failed to install the application.
Domain: IXErrorDomain
Code: 2
Failure Reason: Invalid placeholder attributes.
User Info: {
    DVTErrorCreationDateKey = "2025-04-06 19:35:47 +0000";
    FunctionName = "+[IXPlaceholder _placeholderForBundle:client:withParent:installType:metadata:placeholderType:mayBeDeltaPackage:isFromSerializedPlaceholder:error:]";
    IDERunOperationFailingWorker = IDELaunchiPhoneSimulatorLauncher;
    SimCallingSelector = "installApplication:withOptions:error:";
    SourceFileLine = 958;
}
--
Failed to create app extension placeholder for /Users/mohammadfaani/Library/Developer/Xcode/DerivedData/Emoji_Rangers-fuxqiaockdzzywgumxhoyjitsooq/Build/Products/Debug-watchsimulator/EmojiRangersWatchApp.app/PlugIns/EmojiRangersWidgetWatchExtension.appex
Domain: IXErrorDomain
Code: 2
Failure Reason: Failed to create promise.
User Info: {
    FunctionName = "+[IXPlaceholder _placeholderForBundle:client:withParent:installType:metadata:placeholderType:mayBeDeltaPackage:isFromSerializedPlaceholder:error:]";
    SourceFileLine = 958;
}
--
Failed to set placeholder attributes com.example.apple-samplecode.Emoji-Rangers.EmojiRangersWatch.watchkitapp.EmojiRangersWidgetWatch
Domain: IXErrorDomain
Code: 2
Failure Reason: Failed to create promise.
User Info: {
    FunctionName = "+[IXPlaceholder _placeholderForBundle:client:withParent:installType:metadata:placeholderType:mayBeDeltaPackage:isFromSerializedPlaceholder:error:]";
    SourceFileLine = 795;
}
--
extensionDictionary must be set in placeholder attributes for an app extension placeholder
Domain: IXErrorDomain
Code: 17
Failure Reason: Invalid placeholder attributes.
User Info: {
    FunctionName = "-[IXPlaceholder setPlaceholderAttributes:error:]";
    SourceFileLine = 1976;
mfaani/EmojiRanger-watchos-simulator-error.md
