Database connection error after uploading website script

I am uploading a prebuilt php script website and after uploading it i have change the all required fields with database information (like host name, user name and password) and now when visit the website it shows "Could not establish database connection. Please check the username, password and hostname in the config file, and if necessary set up the appropriate MySQL user and privileges."
How is this error coming ? and Is there any thing which i get forget to make in database.
kindly help me And this is my site url https://qweko.000webhostapp.com/
help me

@Shivansh.singh screenshot and post your config file, so that we can check for the issue and help you.


This is screenshot
kindly help me to resolve this

Seems to be working fine now.
image

Can you check and confirm?

It is working now, Actually there were my fault.
And thanks for your instant help

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Any other issue let us know :slight_smile:

I am extracting a zip file but it is not extract why ?

Are you using the file manager?

@Shivansh.singh Try this to extract your zip. This should help you. :slight_smile: