Can't delete heavy file from OpenDesktop

I have a 1.4 GB file (video) in my directory I would like to get rid of, and at every attempt I get an error message. What should I do?

Is this in a Pling product or on Nextcloud (

it’s a problem

What is the filename? Feel free to send it as a direct message if it is private and I can delete it.

It would also be helpful if you provide the error message so we can investigate why it happened.