ERROR: Field "q_position" or index 0 is not in result (q_FromDB)

1) /usr/www/users/svskvi/mikrotron_de/de/aktuelles/mik-aktuelles-cat.php(15): require('/usr/www/users/...')
2) /usr/www/users/svskvi/mikrotron_de/mik-main/q-web/q-web-page-templates/_mik-template-blog-cat.php(28): q_FromDB('int', 'q_position', Array)