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Manifest Status Report

Manifest URL: https://mobility.aec-music.eu/mobility_test/ewp/manifest/hmtm-hannover.de?api=all

Last access attempt: 2025-01-25 19:12:00.0 (33 minutes ago)
Last access status: Error
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Last access notices

Error The file doesn't contain a proper supported manifest element. The manifest will not be imported. We will keep serving the last successfully imported version of this manifest, if we have one.
Error 1: cvc-pattern-valid: Value '' is not facet-valid with respect to pattern '([a-zA-Z]{1,8})(-[a-zA-Z0-9]{1,8})*' for type 'language'.