What could be causing the "message_die() was called multiple times" error in a PHPBB forum installation?

The "message_die() was called multiple times" error in a PHPBB forum installation is typically caused by multiple errors occurring in the code that trigger the message_die() function to be called repeatedly. To solve this issue, you should identify and fix the root cause of the errors that are triggering the message_die() function multiple times. 

// Example code snippet to prevent multiple message_die() calls
if (!function_exists('custom_message_die')) {
    function custom_message_die($msg) {
        static $called = false;
        if (!$called) {
            message_die($msg);
            $called = true;
        }
    }
}

Keywords

PHP PHPBB message_die() error installation

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