Expression URL not updating once data is passed second time

I have a problem with the expression of the URL, I use the Update Counter and assign it a url and change it when it goes through the cycle as seen in the photo below but the http expression is not changing, it’s keeping the first url.

Actually I think it is update the url, but I’m still getting a ERROR: 401 - “Unauthorized”

Hm, if you say that the URL updates but you get 401 Unauthorized then it sounds like the problem is not n8n related. More like either the generated URL is wrong or the website blocks it for some reason.

If you think it is something else then I need the JSON of a workflow in which I can reproduce the problem. Else I am sadly not able to help. Sorry!

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