Fatal error: Uncaught mysqli_sql_exception: Column 'front_id' in where clause is ambiguous in /var/www/html/search_res.php:228 Stack trace: #0 /var/www/html/search_res.php(228): mysqli_query(Object(mysqli), 'SELECT a2.* FRO...') #1 /var/www/html/index.php(172): require('/var/www/html/s...') #2 {main} thrown in /var/www/html/search_res.php on line 228