The ServiceWorker for scope ‘%1$S’ failed to decrypt a push message. The ‘Crypto-Key‘ header must include a ‘dh‘ parameter containing the app server’s public key. See https://tools.ietf.org/html/draft-ietf-httpbis-encryption-encoding-02#section-4 for more information.
Mae'r ServiceWorker ar gyfer sgôp ‘%1$S’ wedi methu dadgryptio neges gwthio. Rhaid i'r pennyn ‘Crypto-Key’ gynnwys baramedr ‘dh‘ sy'n cynnwys allwedd gyhoeddus gweinydd yr ap. Gw https://tools.ietf.org/html/draft-ietf-httpbis-encryption-encoding-02#section-4 am ragor o wybodaeth.