APPX1669: App manifest contains a background task contract which uses server name '{0}', but does not specify task type 'Control Channel' or 'Push Notification'. Remove the attribute 'ServerName' from the background task declaration.
APPX1658: App manifest contains an {0} contract with incorrect verb '{1}'. Verb should not contain underscore character ('_'). ...
APPX1661: App manifest contains an {0} contract with incorrect verb '{1}'. Verb should have only following characters: -. ...
APPX1663: App manifest contains an {0} contract with incorrect value for {1} attribute: '{2}'. Event length should not be ...
APPX1668: App manifest contains a background task contract which uses executable '{0}', but does not specify task type 'Control ...
APPX1669: App manifest contains a background task contract which uses server name '{0}', but does not specify task type 'Control ...
APPX1670: App manifest contains a background task contract which uses both executable '{0}' and server name '{1}'. Contract ...
APPX1671: App manifest defines invalid lock screen notifications value '{0}' for {1}. Valid values are 'badge' or 'badgeAndTileText'. ...
APPX1674: App manifest defines lock screen notifications without specifying one of appropriate background task types: timer, ...
APPX1675: App manifest declares background task of type timer, control channel, push notification, or location without enabling ...