Plugin activated but plugin files nowhere to be found

Go on your plugin list and hover the edit button for the selected plugin. Have a look at the url. It should be something like:

http://<domain>/wp-admin/plugin-editor.php?file=<path-to-plugin>

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)