Fatal error: Uncaught mysqli_sql_exception: Unknown column 'تست' in 'WHERE' in /home/demodesi/domains/demodesign.ir/public_html/includes/db.php:47 Stack trace: #0 /home/demodesi/domains/demodesign.ir/public_html/includes/db.php(47): mysqli_query() #1 /home/demodesi/domains/demodesign.ir/public_html/min.php(575): sql_db->sql_query() #2 {main} thrown in /home/demodesi/domains/demodesign.ir/public_html/includes/db.php on line 47