Im unsure of what the problem is but heres the logs.
Sideloadly version 0.22, Windows 10.0, amd64
Checking private key
Looking up app ID
Registered dummy app ID Z36X94XJ4X
Signing...
Connecting...
Temporarily removed 4 profile(s)
Uploading...
Installing...
Installing 5%: CreatingStagingDirectory
Installing 15%: ExtractingPackage
Installing 20%: InspectingPackage
Installing 20%: TakingInstallLock
Installing 30%: PreflightingApplication
Installing 30%: InstallingEmbeddedProfile
Installing 40%: VerifyingApplication
Installation failed: 0 IncorrectArchitecture (Failed to find matching arch for input file: /var/installd/Library/Caches/com.apple.mobile.installd.staging/temp.KtmQCQ/extracted/Payload/CardWars.app/CardWars)
Restored 4 profile(s)
ERROR: Guru Meditation 6020bc@526:f11511 0: IncorrectArchitecture (Failed to find matching arch for input file: /var/installd/Library/Caches/com.apple.mobile.installd.staging/temp.KtmQCQ/extracted/Payload/CardWars.app/CardWars)
Whats wrong?
Here the IPA if you need it: https://disk.yandex.com/d/apfw76tfojD9q