1045, "Access denied for user 'cyberpanel'@'localhost' (using password: YES)")

After 3 days, even though it wasn’t programmed, I still haven’t solved my mistake. Because of that my website with more than 5,000 articles is down and the cyberpanel support is now paid … I have searched the internet and nothing solves. Will I have to start over from scratch? I lost my database and didn’t do any backups (my worst mistake).

https://www.google.com/search?q=ERROR+2002+(HY000)%3A+Can't+connect+to+MySQL+server+on+'127.0.0.1'+(115)

1045, "Access denied for user 'cyberpanel'@'localhost' (using password: YES)" - Google Search)