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Cannot change Allowed Origin


I have a power-up that returns this

Invalid return_url. Wildcard ("*") allowed origins are no longer supported. Contact the developer. See  


I updated allowed origins in

But when I try again, the message does not have change and `Allow-Access-Origin` header is still configured as `"*"`


Maybe it's due to some cache problem but I restarted my App, emptied my cache (on Cloudflare).


Did I missed something ?



2 answers

1 accepted

0 votes
Answer accepted

Maybe open a ticket here:

That was the link I was looking for, thx

0 votes
Laura Holton Community Leader Jan 12, 2022

Hi @Edouard Juibert 👋

Welcome to the Community! I would recommend contacting both the Power Up developer and Trello support directly. You should be able to find details of how to contact the developer via the Power Up marketplace here and raise a Trello support ticket here.

I hope this helps but if you have any other questions just ask away 😃

All the best,


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