A PHP Error was encountered

Severity: Warning

Message: Missing argument 1 for Notification::showManagementNotification()

Filename: controllers/notification.php

Line Number: 19

A PHP Error was encountered

Severity: Notice

Message: Undefined variable: notificationId

Filename: controllers/notification.php

Line Number: 21

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 '' at line 1

select title, content, courseId, startDate from NOTIFICATION where notificationId=