Fatal error: Uncaught Error: Call to undefined function Automattic\Jetpack\Scan\is_multisite() in /home/www/scNAorgWebSite/wp-content/plugins/jetpack/modules/scan/class-admin-bar-notice.php:73 Stack trace: #0 /home/www/scNAorgWebSite/wp-content/plugins/jetpack/modules/scan/class-admin-bar-notice.php(48): Automattic\Jetpack\Scan\Admin_Bar_Notice->should_try_to_display_notice() #1 /home/www/scNAorgWebSite/wp-content/plugins/jetpack/modules/scan/class-admin-bar-notice.php(39): Automattic\Jetpack\Scan\Admin_Bar_Notice->init_hooks() #2 /home/www/scNAorgWebSite/wp-content/plugins/jetpack/modules/scan/scan.php(14): Automattic\Jetpack\Scan\Admin_Bar_Notice::instance() #3 {main} thrown in /home/www/scNAorgWebSite/wp-content/plugins/jetpack/modules/scan/class-admin-bar-notice.php on line 73