appelsappel

i posted the wrong exception, meant this one: Notice: Undefined index: post in /home/customer/www/psychologieinhetonderwijs.nl/public_html/wp-content/plugins/wpop-accf/includes/accf7-settings.php on line 39

[14-Jun-2021 20:47:48 UTC] PHP Notice: Undefined index: HTTP_HOST in /home/customer/www/psychologieinhetonderwijs.nl/public_html/wp-content/plugins/wpcf7-redirect/classes/class-wpcf7r-updates.php on line 40

also found this in my log, could this have something to do with it?

same