Fatal error: Uncaught Error: Class 'SimpleSAML\Auth\ProcessingFilter' not found in /var/www/html/simplesamlphp/modules/saml/src/Auth/Process/ExpectedAuthnContextClassRef.php:31
Stack trace:
#0 {main}
  thrown in /var/www/html/simplesamlphp/modules/saml/src/Auth/Process/ExpectedAuthnContextClassRef.php on line 31