Failed to register/update a ServiceWorker for scope ‘%1$S’: Bad Content-Type of ‘%2$S’ received for script ‘%3$S’.  Must be ‘text/javascript’, ‘application/x-javascript’, or ‘application/javascript’.
Fallu al rexistrar/anovar un ServiceWorker pal algame «%1$S»: Recibióse un Content-Type incorreutu de «%2$S» pal script «%3$S».  Ha ser «text/javascript», «application/x-javascript» ó «application/javascript».