Why can't wordpress load images?

Question

Images

Hello!
There was such a problem: pictures of small size, literally a few hundred kilobytes, stopped loading on the wp site.
It gives such an error

. There were no problems before, and I checked on another wp site and everything loads without any problems at all.
Tell me, please, what could be the matter here?
Thank you!

Answer 1

1. check the free space on the hosting
2. name the files in Latin!

Answer 2

Is the folder writable? see logs.

Answer 3

Check your domain settings, WordPress works in PHP as CGI mode. Perhaps PHP is worth as an Apache module with this option CMS cannot write pictures to the server due to lack of rights. You can also
read here