Why is my avatar broken?

I added it about a week and a half ago and it showed up fine for a few days, but now, on my end, it just displays a stock icon with the text "User Avatar" in the corner, on a blank background. Does anyone else see it, or is it just broken ?

Hi,

copy image link > paste displays this:

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Please try going to the following page: go to homepage

So it's avatarmaker error.