Failed to register/update a ServiceWorker for scope ‘%1$S’: Bad Content-Type of ‘%2$S’ received for script ‘%3$S’.  Must be a JavaScript MIME type.
ServiceWorker njeda so registrować/aktualizować za wobłuk ‘%1$S’: Špatny typ wobsaha ‘%2$S’ je so za skript ‘%3$S’ přijał. MIME-typ JavaScript je trěbny.