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Quite strange. I personally only use the browser and not the APP of Discord. try it this way.

I can’t coz when i click the link i have only two options. “I have the app. Open it” and “i don't have the app. Download it”

I closed the page and clicked the link again. Later it went well, maybe that's how it works with you?

Thanks @cryptogainer i can use discord now :)