باسلام برای نصب افزونه Iranian Calender این خطا را می دهد : Warning: require_once(__DIR__/libs/jalali-core.php) [function.require-once]: failed to open stream: No such file or directory in /home3/dideban/public_html/wp-content/plugins/ic/iraniancal.php on line 13 Fatal error: require_once() [function.require]: Failed opening required '__DIR__/libs/jalali-core.php' (include_path='.:/usr/lib/php:/usr/local/lib/php') in /home3/dideban/public_html/wp-content/plugins/ic/iraniancal.php on line 13 خط 13 این متن می باشد: require_once(IRCAL_DIR.'/libs/jalali-core.php'); ممنون میشم کمکم کنید !!!