Can't upload box art

Hello, I’m the developer of “Língua”. Whenever I try to upload my game’s box art the upload times out. I’ve tried over a 24h period on different browsers, but I’m unable to upload the box art due to this error. The file is under 1mb, 600x800 and a jpg.

Thanks for the response, what channel will be used to let me know when it’s enabled again?