After deploying a new server and installing WHM the following error was showing when accessing a Joomla site:
Error displaying the error page: Application Instantiation Error: The MySQL adapter mysqli is not available
This is as a result of MySQLi not being selected in the EasyApache3 compilation.
Select EasyApache3 -> Click on the gear icon
Follow the steps until you get to:
- Exhaustive Options List
Tick ‘MySQL “Improved” extension” and then click “Save and build” (at the bottom of the screen)