A PHP Error was encountered

Severity: Notice

Message: Trying to get property of non-object

Filename: controllers/questionnaires.php

Line Number: 49

A Database Error Occurred

Error Number: 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 qu.questionID' at line 1

SELECT * FROM questionsUsers qu WHERE qu.userID = ORDER BY qu.questionID