Migration OJS 3. from server to localhost

I am trying to migrate ojs 3.2.1.1 from server to localhost.
I copied the files (system code file, submission file, db) as shown below, I edited the config file but it doesn’t work
Can anyone help me?
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Thanks

Hi @V_ng_Le,

your browser is facing a HTTP error 500 on the server side, so as a first step you should check the PHP errors log.

Besides that, as you didn’t mention it: did you create and restore the database from your server’s SQL dump?