Fatal error: Uncaught Error: Interface 'PHP_CodeSniffer\Sniffs\Sniff' not found in /var/www/html/simplesamlphp/vendor/slevomat/coding-standard/SlevomatCodingStandard/Sniffs/ControlStructures/RequireNullSafeObjectOperatorSniff.php:37
Stack trace:
#0 {main}
  thrown in /var/www/html/simplesamlphp/vendor/slevomat/coding-standard/SlevomatCodingStandard/Sniffs/ControlStructures/RequireNullSafeObjectOperatorSniff.php on line 37