If you report this error, please also report this tracking number which makes it possible to locate your session in the logs available to the system administrator:
6d4a0d0818
The debug information below may be of interest to the administrator / help desk:
SimpleSAML\Error\Error: UNHANDLEDEXCEPTION
Backtrace: 1 www/_include.php:17 (SimpleSAML_exception_handler) 0 [builtin] (N/A) Caused by: Exception: SimpleSAML\Metadata\Sources\MDQ: no metadata for set "saml20-sp-remote" available from "https://sso.gumed.pl/saml2/idp/metadata.php". Backtrace: 4 lib/SimpleSAML/Metadata/Sources/MDQ.php:339 (SimpleSAML\Metadata\Sources\MDQ::getMetaData) 3 lib/SimpleSAML/Metadata/MetaDataStorageHandler.php:324 (SimpleSAML\Metadata\MetaDataStorageHandler::getMetaData) 2 lib/SimpleSAML/Metadata/MetaDataStorageHandler.php:363 (SimpleSAML\Metadata\MetaDataStorageHandler::getMetaDataConfig) 1 modules/saml/lib/IdP/SAML2.php:381 (SimpleSAML\Module\saml\IdP\SAML2::receiveAuthnRequest) 0 www/saml2/idp/SSOService.php:29 (N/A)
This error probably is due to some unexpected behaviour or to misconfiguration of SimpleSAMLphp. Contact the administrator of this login service, and send them the error message above.