WordPress Image Editor not working

Hello, I invite you to read this.
https://www.ads-software.com/support/topic/images-not-getting-uploaded-to-subdomain-or-anywhere?replies=4

Hello, I`ve tryed many times. Only image editor is not loading images. All others images are working fine. Can you help me check error?

Can you send me an invitation “administrator” on my mail address [removed]

rvola – do not ask for login access to any site. https://codex.www.ads-software.com/Forum_Welcome#The_Bad_Stuff

ok, I understand but helped someone who does not give details of which most of the answers are already on the forum, makes doubtful