Cant login

What I’m trying to do

Im trying to login into my obsidian account via the app, but its not working. It tells me that either my email or password is wrong. I tested it on other devices and browsers to see if its an app issue, but it isnt.
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Now, i know its not needed to login into the app for normal users, but i plan to get the Sync plan. And i also dont want this to be an issue in the future.

Things I have tried

Try different Devices and Browsers
Reset Password to a simple, letters only.

the account for the forum is different from the account on the app/website