Warning: Trying to access array offset on value of type null in /var/www/vhosts/humanitashorgen.ch/httpdocs/wp-content/themes/stuiq-base/template-job-detail.php on line 22 Fatal error: Uncaught TypeError: STUIQ\Personio::set_employment_type(): Argument #1 ($value) must be of type string, null given, called in /var/www/vhosts/humanitashorgen.ch/httpdocs/wp-content/themes/stuiq-base/template-job-detail.php on line 22 and defined in /var/www/vhosts/humanitashorgen.ch/httpdocs/wp-content/themes/stuiq-base/classes/class.Personio.php:169 Stack trace: #0 /var/www/vhosts/humanitashorgen.ch/httpdocs/wp-content/themes/stuiq-base/template-job-detail.php(22): STUIQ\Personio::set_employment_type() #1 /var/www/vhosts/humanitashorgen.ch/httpdocs/wp-includes/template-loader.php(106): include('...') #2 /var/www/vhosts/humanitashorgen.ch/httpdocs/wp-blog-header.php(19): require_once('...') #3 /var/www/vhosts/humanitashorgen.ch/httpdocs/index.php(17): require('...') #4 {main} thrown in /var/www/vhosts/humanitashorgen.ch/httpdocs/wp-content/themes/stuiq-base/classes/class.Personio.php on line 169