When you face the the below error while accessing your joomla application:
Undefined index: in /administrator/templates/isis/html/message.php on line 24
You have to apply the below fix to solve the error.
JFactory::getApplication()->redirect($link, ‘Saved Successfully’);
You have to replace the above code with code mentioned below:
JFactory::getApplication()->redirect($link, ‘Saved Successfully’,'message’);
