Zertifikatslehrgänge

Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, null given in /var/www/vhosts/ihk-exportakademiede.hosting2.tn-rechenzentrum1.de/httpdocs/admin/includes/functions.php:438 Stack trace: #0 /var/www/vhosts/ihk-exportakademiede.hosting2.tn-rechenzentrum1.de/httpdocs/includes/courses.php(1641): infobox1() #1 /var/www/vhosts/ihk-exportakademiede.hosting2.tn-rechenzentrum1.de/httpdocs/index.php(337): include('...') #2 {main} thrown in /var/www/vhosts/ihk-exportakademiede.hosting2.tn-rechenzentrum1.de/httpdocs/admin/includes/functions.php on line 438