Support Home Page › Forums › Joomla Software › Easy Folder Listing Pro Plugin › Joomla 4.1 and isAdmin Tagged: joomla 4 This topic contains 1 reply, has 2 voices, and was last updated by Michael Gilkes 2 months, 3 weeks ago. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts February 24, 2022 at 4:29 pm #3177 alindebianParticipant Hi, I get this error: If difficulties persist, please contact the website administrator and report the error below. 0 Call to undefined method Joomla\CMS\Application\SiteApplication::isAdmin() Joomla 4.1 February 25, 2022 at 7:21 am #3179 Michael GilkesKeymaster @alindebian. Thanks for posting your issue. Could you verify which version of Easy Folder Listing Pro you have installed? The isAdmin() function call is only present in the Easy Folder Listing Pro 3.7.x code. If you have Easy Folder Listing Pro 3.7.x installed, please upgrade to Easy Folder Listing Pro 4.1.x. Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic.