During a docker buildx run i ran during the image import into the following error:

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ERROR: failed to solve: rpc error: code = Unknown desc = failed to extract layer sha256:f877be71d5628e2b297798c066b860bd2c3542b96a80f69367ff0bdebcc06f9e: failed to get stream processor for application/vnd.in-toto+json: no processor for media-type: unknown

Possible Solution:

By default, BuildKit v0.11 and later adds provenance attestations  to images you build. Set BUILDX_NO_DEFAULT_ATTESTATIONS=1 to disable the default provenance attestations.

References: