The display_errors directive determines whether errors should be printed on screen as part of the output or hidden from the user.

 

This value can be enabled from the hosting management you want to configure. You need to go to the "Server" column and access "Configure PHP":

 

 

Once there, you need to go to the "display_errors Directive" and verify that the button in this column is enabled. If it appears as Disabled, you must click on it to activate it:

 

 

The button should appear like this: