# X_PWA_NO_OFFLINE_FALLBACK

## Means

`pwa.offline.fallback` is not set, or no route serves it

## Typical cause

the required field was removed, or the path it names has no page

## Fix

`x g route offline --surface site`, then set `pwa: { offline: { fallback: '/offline' } }`

[PWA and build skew](/error-codes#pwa-and-build-skew)