Fatal error: Uncaught Error: Class "Jelix\Installer\Module\Installer" not found in /var/www/html/celpa_webgis_13022024/lizmap/vendor/jelix/jcommunity-module/modules/jcommunity/install/upgrade.php:13
Stack trace:
#0 {main}
thrown in /var/www/html/celpa_webgis_13022024/lizmap/vendor/jelix/jcommunity-module/modules/jcommunity/install/upgrade.php on line 13