Fatal error: Uncaught Error: Interface 'Drupal\webprofiler\Helper\ClassShortenerInterface' not found in /var/www/html/tmp/contrib/devel/webprofiler/src/Helper/ClassShortener.php:10 Stack trace: #0 {main} thrown in /var/www/html/tmp/contrib/devel/webprofiler/src/Helper/ClassShortener.php on line 10