WordPress site recovery

Hello.

I am trying to restore WordPress because I could not find a way to access the dashboard due to a WordPress connection error.

First of all, I have backed up before the error and there is no way, so I am trying to restore WordPress.

When logging in, I can’t access the dashboard at all due to an error.

You are not using any other hosting.

I signed up for WordPress itself and only worked on it. I bought another hosting and didn’t use it

Even in ftp, I can’t log in because the server address is wrong. In this case, is there a way to recover WordPress?

I applied for restoration in the WordPress site, but only said that it was not a wordpress site, or I did not receive a reply mail after sending it.

How do I recover?

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The page I need help with: [log in to see the link]