Fatal error: Uncaught mysqli_sql_exception: Table 'db_mec.doc_manager' doesn't exist in /var/www/html/mecnst/doctor_all.php:12 Stack trace: #0 /var/www/html/mecnst/doctor_all.php(12): mysqli_query() #1 {main} thrown in /var/www/html/mecnst/doctor_all.php on line 12