I am unable to buy badges for my games. In the past I was able to buy a bunch of them at once, not I get only this issue:

"Sorry! An error was encountered while processing your request:
You've made too many requests recently. Please wait and try your request again later.
Here's a link to the Steam Community home page."

I have tried it after some time, hours, days.. still the same problem as usual. I haven't made any requests to trigger this. I am open for suggestions or if someone can check it. Thanks