When i try and download an installer to my Macintosh HD it says the disk is full when it has 280
When i try and download an installer to my Macintosh HD it says the disk is full when it has over 200GB free. It's really frustrating and I want to know how to troubleshoot it. I've attached an image of the problem any help would be great! Thank you
MacBook Air 13″, macOS 11.4