After switching the UWP project from debug to release mode, an error appears even SplashScreen.png is included in .appmanifest :
Severity Code Description Project File Line Suppression State Details
Error DEP0700: Registration of the app failed. [0x80073CF6] AppxManifest.xml(32,27): error 0x80070003: Cannot install or update package xxxx_t07g111c25az6 because the splash screen image [SplashScreen.png] cannot be located. Verify that the package contains an image that can be used as a splash screen for the application, and that the package manifest points to the correct location in the package where this splash screen image can be found. xxxx.App
I cleaned and rebuild my project multiple times. Excluding and including project didn't help. Deleting bin and obj folder had no effect. Removing splash screen and adding again, didn't help.