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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 E:\website\htdocs\tnsukbi\learningunitpage.php:302 Stack trace: #0 E:\website\htdocs\tnsukbi\learningunitpage.php(302): mysqli_query(Object(mysqli), 'SELECT * FROM p...') #1 {main} thrown in E:\website\htdocs\tnsukbi\learningunitpage.php on line 302