Mastodon: "We're sorry, but something went wrong." when trying to upload my avatar

[cumbiame]

Hey guys!
I just installed an instance at cumbiame.com

I ran into an issue. When I try to upload my avatar and I hit submit, I get sent to a page that says "We're sorry, but something went wrong."

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• [ x] I searched or browsed the repo’s other issues to ensure this is not a duplicate.
• [ x] This bug happens on a newest release and not on master (If you're a user, don't worry about this).

[cumbiame]

This happens when I try to upload any type of picture. I get a 500 Server Error

[Gargron]

Did you install using Docker? Try sudo chown -R 991:991 public/system, the permissions on the uploads folder might be wrong.

[cumbiame]

Thank you so much. That fix the problem.