Fatal error: Uncaught SimpleSAML\Error\CriticalConfigurationError: The configuration (config/config.php) is invalid: Missing configuration file in /var/www/simplesamlphp/lib/SimpleSAML/Error/CriticalConfigurationError.php:84 Stack trace: #0 /var/www/simplesamlphp/lib/SimpleSAML/Configuration.php(352): SimpleSAML\Error\CriticalConfigurationError::fromException(Object(SimpleSAML\Error\ConfigurationError)) #1 /var/www/simplesamlphp/lib/SimpleSAML/Logger.php(425): SimpleSAML\Configuration::getInstance() #2 /var/www/simplesamlphp/lib/SimpleSAML/Logger.php(488): SimpleSAML\Logger::createLoggingHandler() #3 /var/www/simplesamlphp/lib/SimpleSAML/Logger.php(211): SimpleSAML\Logger::log(4, 'The class or in...') #4 /var/www/simplesamlphp/lib/_autoload_modules.php(74): SimpleSAML\Logger::warning('The class or in...') #5 [internal function]: temporaryLoader('SimpleSAML_Auth...') #6 /var/www/manage/application/controller/sso.php(10): spl_autoload_call('SimpleSAML_Auth...') #7 /var/www/manage/application/core/Application.php(83): SSO->i in /var/www/simplesamlphp/lib/SimpleSAML/Error/CriticalConfigurationError.php on line 84