Warning: Trying to access array offset on null in D:\wwwroot\mbook\web\author.php on line 17

Warning: Trying to access array offset on null in D:\wwwroot\mbook\web\author.php on line 18

Warning: Trying to access array offset on null in D:\wwwroot\mbook\web\author.php on line 20

Warning: Trying to access array offset on null in D:\wwwroot\mbook\web\author.php on line 20

Warning: Trying to access array offset on null in D:\wwwroot\mbook\web\author.php on line 20

Fatal error: Uncaught PDOException: SQLSTATE[42000]: Syntax error or access violation: 1064 You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ') order by lastupdate desc limit 100' at line 1 in D:\wwwroot\mbook\web\author.php:105 Stack trace: #0 D:\wwwroot\mbook\web\author.php(105): PDO->query('select * from j...') #1 {main} thrown in D:\wwwroot\mbook\web\author.php on line 105