Unhandled exception

An unhandled exception was thrown.

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:

7fa521b4e8

Debug information

The debug information below may be of interest to the administrator / help desk:

SimpleSAML\Error\Error: UNHANDLEDEXCEPTION

Backtrace:
1 www/_include.php:20 (SimpleSAML_exception_handler)
0 [builtin] (N/A)
Caused by: TypeError: SimpleSAML\Metadata\MetaDataStorageSource::updateEntityID(): Argument #3 ($metadataEntry) must be of type array, null given, called in /additional_disk/html/single-sign-on/lib/SimpleSAML/Metadata/MetaDataStorageHandlerFlatFile.php on line 124
Backtrace:
7 lib/SimpleSAML/Metadata/MetaDataStorageSource.php:360 (SimpleSAML\Metadata\MetaDataStorageSource::updateEntityID)
6 lib/SimpleSAML/Metadata/MetaDataStorageHandlerFlatFile.php:124 (SimpleSAML\Metadata\MetaDataStorageHandlerFlatFile::getMetadataSet)
5 lib/SimpleSAML/Metadata/MetaDataStorageHandler.php:158 (SimpleSAML\Metadata\MetaDataStorageHandler::getList)
4 lib/SimpleSAML/XHTML/IdPDisco.php:470 (SimpleSAML\XHTML\IdPDisco::getIdPList)
3 lib/SimpleSAML/XHTML/IdPDisco.php:560 (SimpleSAML\XHTML\IdPDisco::handleRequest)
2 modules/saml/www/disco.php:8 (require)
1 lib/SimpleSAML/Module.php:266 (SimpleSAML\Module::process)
0 www/module.php:10 (N/A)

How to get help

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.