Fatal error: Uncaught Error: Class "WP_Statistics\BackgroundProcess\AjaxBackgroundProcess\AbstractAjaxBackgroundProcess" not found in /home/webdav/xylemDAV/mo.blog/wp-content/plugins/wp-statistics/src/BackgroundProcess/AjaxBackgroundProcess/Jobs/VisitorColumnsMigrator.php:13 Stack trace: #0 {main} thrown in /home/webdav/xylemDAV/mo.blog/wp-content/plugins/wp-statistics/src/BackgroundProcess/AjaxBackgroundProcess/Jobs/VisitorColumnsMigrator.php on line 13