Failed to register/update a ServiceWorker for scope ‘%1$S’: Bad Content-Type of ‘%2$S’ received for script ‘%3$S’.  Must be a JavaScript MIME type.
ServiceWorker njedajo se registrěrowaś/aktualizěrowaś za wobceŕk ‘%1$S’: Špatny typ wopśimjeśa ‘%2$S’ jo se dostał za skript ‘%3$S’. MIME-typ JavaScript jo trěbny.