Fatal error: Uncaught Error: Class "PHPePub\Core\Logger" not found in /home/cfrb8955/wallabag.lavachemauve.fr/vendor/wallabag/phpepub/tests/EPub.Example2b.php:36 Stack trace: #0 {main} thrown in /home/cfrb8955/wallabag.lavachemauve.fr/vendor/wallabag/phpepub/tests/EPub.Example2b.php on line 36