Hi @alnavarg ,
Other campaign users of your instance also facing the same issue while login?
In general, User will get WDB-200000 error, When you try to use incorrect database password or your database is currently unavailable to take new requests.
Check with your database team or create an Adobe support ticket.
You can raise Adobe support ticket by sign in to https://adminconsole.adobe.com/ > Support > Support cases > Create case > provide all the details asked in case ticket.
If you don't have Adobe admin console access, contact your system administrator.
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