Failed to load ‘%S’. A ServiceWorker passed a used Response to FetchEvent.respondWith(). The body of a Response may only be read once. Use Response.clone() to access the body multiple times.
Methwyd llwytho ‘%S’. Pasiodd ServiceWorker hen ymateb Response i FetchEvent.respondWith(). Gall corff y Response gael ei ddarllen unwaith yn unig. Defnyddiwch Response.clone() i gael mynediad at y corff mwy nag unwaith.