I can see this error message on Drupal admin panel.
There is a security update available for your version of Drupal. To ensure the security of your server, you should update immediately! See the available updates page for more information and to install your missing updates. There are security updates available for one or more of your modules or themes. To ensure the security of your server, you should update immediately! See the available updates page for more information and to install your missing updates.
I tried to no display error message on this page, Home » Administration » Configuration » Development
But I see this error message now. Is this a version update issue? It enables, please help me. Thanks