Failed to register/update a ServiceWorker for scope ‘%1$S’: Bad Content-Type of ‘%2$S’ received for script ‘%3$S’.  Must be a JavaScript MIME type.
Fallo al registrar/actualizar un ServiceWorker para el ámbito ‘%1$S’: Se ha recibido un Content-Type incorrecto ‘%2$S’ para el script ‘%3$S’.  Debe ser un tipo MIME de JavaScript.