Fatal error: Uncaught Error: Using $this when not in object context in /var/www/vhosts/dj-saxofoon.nl/httpdocs/wp-content/plugins/taxonomy-terms-order/taxonomy-terms-order.php:121 Stack trace: #0 /var/www/vhosts/dj-saxofoon.nl/httpdocs/wp-settings.php(215): include_once() #1 /var/www/vhosts/dj-saxofoon.nl/httpdocs/wp-config.php(83): require_once('/var/www/vhosts...') #2 /var/www/vhosts/dj-saxofoon.nl/httpdocs/wp-load.php(29): require_once('/var/www/vhosts...') #3 /var/www/vhosts/dj-saxofoon.nl/httpdocs/wp-blog-header.php(12): require_once('/var/www/vhosts...') #4 /var/www/vhosts/dj-saxofoon.nl/httpdocs/index.php(17): require('/var/www/vhosts...') #5 {main} thrown in /var/www/vhosts/dj-saxofoon.nl/httpdocs/wp-content/plugins/taxonomy-terms-order/taxonomy-terms-order.php on line 121