Fatal error: Uncaught Error: Call to undefined function is_admin() in /opt/app-root/src/wp-content/plugins/dashboard-notes/dashboard-notes.php:41 Stack trace: #0 /opt/app-root/src/wp-content/plugins/dashboard-notes/dashboard-notes.php(21): DashboardNotes->__construct() #1 {main} thrown in /opt/app-root/src/wp-content/plugins/dashboard-notes/dashboard-notes.php on line 41