Fatal error: Uncaught Error: Class 'Drupal\devel_generate\DevelGenerateBase' not found in /var/www/html/tmp/contrib/devel/devel_generate/src/Plugin/DevelGenerate/ContentDevelGenerate.php:44 Stack trace: #0 {main} thrown in /var/www/html/tmp/contrib/devel/devel_generate/src/Plugin/DevelGenerate/ContentDevelGenerate.php on line 44