Sehganeh Prayer Times

Fatal error: Uncaught Error: Call to undefined function exec() in /home/searcht/domains/searchtruth.com/public_html/prayertimes/prayer.php:983 Stack trace: #0 /home/searcht/domains/searchtruth.com/public_html/prayertimes/prayer.php(537): PrayerTimes() #1 /home/searcht/domains/searchtruth.com/public_html/prayertimes/prayer.php(365): showPrayerTimes() #2 {main} thrown in /home/searcht/domains/searchtruth.com/public_html/prayertimes/prayer.php on line 983