Error Establishing Database Connection
Situation
The client is seeing Error Establishing Database Connection.
Reasons
Generally, this is the following reason that causes this error :
The PHP code was unable to connect with your MySQL database to retrieve the information it needs to build that page.
It can issue from the hosting side.
Communication to Client
Tell the client that this error is caused due to the above-mentioned reason. In order to fix the issue, our development team has to troubleshoot the issue. This is a tedious job and needs time to fix, it will be very tough for non-tech savvy to fix this, therefore, requires the technical expertise and we will provide it for you.
Prerequisite
Client's Hosting URL.
Client's Hosting Credentials (Username and Password)/Cpanel Details.
Importantly: Verify the credentials then and there over the phone or via chat.
ETA
60 Minutes.
References
https://wordpresssupport.org/error-establishing-database-connection/
****
Updated on: 25/07/2018
Thank you!