Error when I try to add an image (possible newbie error)

myonlyeye

I have a self hosted edition of the latest Vanilla on a CentOS8. Everything seems to work, except when I try to add an image with the image button in the text editor. I get this error:

And I can't figure out what is wrong. Can anyone help?

Odin

Kaspar

Are pretty urls enabled?

https://open.vanillaforums.com/discussion/comment/220157/#Comment_220157

myonlyeye

Nope. Now it is - and now it works! Tnx!