Critical Error: Theme Compatibility Issue

Your current theme is not compatible with the latest PHP version and WordPress core. Please update or replace the theme to avoid website errors.

PHP Fatal error: ThemeCompatibilityException: Your theme is not supporting latest PHP and WordPress core. File: /wp-content/themes/Maplewood2015/functions.php Line: 1 Fix: Update/replace the theme (recommended) OR downgrade PHP temporarily.

Recommended: Update the theme and required plugins, then keep PHP and WordPress versions aligned.