menu di navigazione del network

Errore durante invio AuthRequest in ambiente di test https://idptest.spid.gov.it/sso

Buongiorno,
la nostra AuthnRequest al server di idp test riceve il seguente errore. Potete aiutarci a capire l’errore ?
Grazie

.
Di seguito la form “SAMLRequest” value=“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”