I am getting an error while trying to view the system info of my Joomla site. I am on Joomla 3.4.5.The error is as shown
Fatal error: Class 'JPlatform' not found in /public_html/mywebsite/administrator/components/com_admin/models/sysinfo.php on line 138.
What could be the cause of this error? Any help to resolve this would be appreciated.