[HELP] Error 404 Page on Permalinks

[itseasy]

I installed w3 cache plugin on wp site and now I am getting this -
​

[h=1]404 Not Found[/h]nginx

I need help to fix this.

Thanks

__________________
Added after 17 Hours 51 minutes:

Solved! Just re-started the nginx server.

 

[AlbCoder]

You need to edit the server configuration itself. Codex Sample
I recommend to start here