preview_token_invalid

401 authentication. The preview token is forged, mangled or for another project.

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HTTP status	`type`	Surfaces
401	`authentication`	REST

What it means

The preview token is forged, mangled or for another project.

When
not a Capa token, tampered with, or minted for another project

Open a fresh preview link from the Capa editor.

invalid_key

401 authentication. The key is unknown, revoked or expired.

preview_token_expired

401 authentication. The preview token was real but has expired.