./Themes/default/Errors.template.php

function template_fatal_error(): void

THis displays a fatal error message

function template_error_log(): void

This template handles the error log in the admin center.

function template_show_file(): void

This template shows a snippet of code from a file and highlights which line caused the error.

function template_attachment_errors(): void

This template handles showing attachment-related errors

function template_show_backtrace(): void

This template shows a backtrace of the given error