Fatal error: Uncaught mysqli_sql_exception: 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 in /home/ul_nysc/nysc.lk/class/Database.php:43
Stack trace:
#0 /home/ul_nysc/nysc.lk/class/Database.php(43): mysqli_query(Object(mysqli), 'SELECT * FROM `...')
#1 /home/ul_nysc/nysc.lk/class/CourseSubjects.php(84): Database->readQuery('SELECT * FROM `...')
#2 /home/ul_nysc/nysc.lk/views/courses/view.php(171): CourseSubjects->getCourseSubjectByCourseId(NULL)
#3 /home/ul_nysc/nysc.lk/libs/View.php(27): require('/home/ul_nysc/n...')
#4 /home/ul_nysc/nysc.lk/controllers/courses.php(30): View->render('courses/view')
#5 /home/ul_nysc/nysc.lk/libs/Bootstrap.php(132): courses->view('cT1mcm9tY291cnN...')
#6 /home/ul_nysc/nysc.lk/libs/Bootstrap.php(99): Bootstrap->_callControllerMethod()
#7 /home/ul_nysc/nysc.lk/libs/Bootstrap.php(27): Bootstrap->_loadExistingController()
#8 /home/ul_nysc/nysc.lk/index.php(24): Bootstrap->init()
#9 {main}
thrown in /home/ul_nysc/nysc.lk/class/Database.php on line 43
