The identity provider supplying your login credentials is not authorized for use with this service or does not support the necessary capabilities.
To report this problem, please contact the site administrator at john@cuni.cz.
Please include the following error message in any email:
Identity provider lookup failed at (https://moodle.mefanet.cz/Shibboleth.sso/Login)
EntityID: https://mktri.knihovny.cz/metadata.xml
opensaml::saml2md::MetadataException: Unable to locate metadata for identity provider (https://mktri.knihovny.cz/metadata.xml)