What the digest Property on a Next.js Production Error Means

It is a checksum used by Next.js to verify the integrity of the deployed build

It is a hash Next.js generates to let developers correlate the client-visible error with the matching detailed entry in server logs, since the real message and stack are stripped before reaching the browser

It is a unique session identifier used to rate-limit repeated error occurrences from the same client

It is an internal React fiber ID used to locate which component threw the error