Your software
My Mautic version is: 4.4.3
My PHP version is: 8.0
Your problem
My problem is:
When you go to components → dynamic content and try and add an image to the dynamic content and click to add an image: (Checked this on all 4.x)
Then click on “Browse Server” and you get the following error:
The url it is trying to access is: “https://mymautic.com/elfinder?editor=ckeditor&CKEditor=dwc_content&CKEditorFuncNum=3&langCode=en”