query-monitor domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the init action or later. Please see Debugging in WordPress for more information. (This message was added in version 6.7.0.) in /var/www/haefliger.com/htdocs/wp-includes/functions.php on line 6114query-monitor domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the init action or later. Please see Debugging in WordPress for more information. (This message was added in version 6.7.0.) in /var/www/haefliger.com/htdocs/wp-includes/functions.php on line 6114simply-static domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the init action or later. Please see Debugging in WordPress for more information. (This message was added in version 6.7.0.) in /var/www/haefliger.com/htdocs/wp-includes/functions.php on line 6114Portals for marketing courses. Detailed information on course content, instructor, target group and venue. Online booking and payment system including seat reservation, course confirmations with tickets for admission control.