Coonection to Database

Hi, I’m struggling with the database connection to my MySql database. I keep getting errors and have followed all of the docs, and tutorials but I must be missing something. Most of the fixes in the replies here don’t seem to apply to my situation either. This is so frustrating I’ve been on this for hours now. I was getting an error that the database wasn’t allowing the username access but I have full privileges. Here’s the latest message I’m getting:

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Thanks