Error while connecting to database..<br />
<b>Fatal error</b>:  Uncaught Error: Call to a member function set() on null in /var/www/Adhyayan-app/shaalasiddhi_tripura-stage/library/controller.class.php:148
Stack trace:
#0 /var/www/Adhyayan-app/shaalasiddhi_tripura-stage/library/controller.class.php(155): Controller-&gt;set('notPermitted', 0)
#1 [internal function]: Controller-&gt;__destruct()
#2 {main}
  thrown in <b>/var/www/Adhyayan-app/shaalasiddhi_tripura-stage/library/controller.class.php</b> on line <b>148</b><br />