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Fatal error: Uncaught mysqli_sql_exception: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '' at line 1 in /home/ppwyqvnu42ho/public_html/library/database.php:52 Stack trace: #0 /home/ppwyqvnu42ho/public_html/library/database.php(52): mysqli_query() #1 /home/ppwyqvnu42ho/public_html/library/function.php(492): Database->dbQuery() #2 /home/ppwyqvnu42ho/public_html/course-deatils.php(40): findAll() #3 {main} thrown in /home/ppwyqvnu42ho/public_html/library/database.php on line 52