Fatal error: Uncaught SimpleSAML\Error\ConfigurationError: The configuration (/var/simplesamlphp/config/config.php) is invalid: $config is not an array. in /var/simplesamlphp/vendor/simplesamlphp/simplesamlphp/src/SimpleSAML/Configuration.php:182 Stack trace: #0 /var/simplesamlphp/vendor/simplesamlphp/simplesamlphp/src/SimpleSAML/Configuration.php(317): SimpleSAML\Configuration::loadFromFile('/var/simplesaml...', false) #1 /var/simplesamlphp/vendor/simplesamlphp/simplesamlphp/src/SimpleSAML/Module.php(572): SimpleSAML\Configuration::getOptionalConfig() #2 /var/simplesamlphp/vendor/simplesamlphp/simplesamlphp/src/SimpleSAML/Error/ExceptionHandler.php(28): SimpleSAML\Module::callHooks('exception_handl...', Object(SimpleSAML\Error\CriticalConfigurationError)) #3 [internal function]: SimpleSAML\Error\ExceptionHandler->customExceptionHandler(Object(SimpleSAML\Error\CriticalConfigurationError)) #4 {main} thrown in /var/simplesamlphp/vendor/simplesamlphp/simplesamlphp/src/SimpleSAML/Configuration.php on line 182