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Warning: require_once(ABSPATHwp-admin/includes/class-wp-upgrader.php): failed to open stream: No such file or directory in C:\xampp\htdocs\wp-content\themes\Divi\core\components\lib\SilentThemeUpgraderSkin.php on line 2

Fatal error: require_once(): Failed opening required 'ABSPATHwp-admin/includes/class-wp-upgrader.php' (include_path='C:\xampp\php\PEAR') in C:\xampp\htdocs\wp-content\themes\Divi\core\components\lib\SilentThemeUpgraderSkin.php on line 2