Your software
My Mautic version is: 3.1.0
My PHP version is: PHP 7.2.24-0ubuntu0.18.04.6
Your problem
My problem is:
When I try and create a new email and choose to insert an image from the media browser I am unable to choose any image and insert into the mailer.
These errors are showing in the log:
No errors in mautic.error