Fatal error: Uncaught PDOException: SQLSTATE[42S02]: Base table or view not found: 1146 Table 'unified_school_db.2021_grad' doesn't exist in D:\WebDocsMac\graduation2021\schedule.php:6 Stack trace: #0 D:\WebDocsMac\graduation2021\schedule.php(6): PDO->query() #1 {main} thrown in D:\WebDocsMac\graduation2021\schedule.php on line 6