Announcements not visible after upgradeIssue Announcements in portals are not visible after upgrade to usersCauseThe issue is due to a few records in announcements(announcement.list) table have the Display style field pointing to a record that is unavailable. Look for records with empty value in Display style field and filter them. The sys_id shown is 633f6758c31023002ff2554d81d3ae58. Relative link: https://<instance-name>.service-now.com/announcement_list.do?sysparm_query=display_style%3D633f6758c31023002ff2554d81d3ae58&sysparm_first_row=1&sysparm_view= The sys_id (633f6758c31023002ff2554d81d3ae58) belongs to an OOB Theme style sheet. (La-jolla) which comes from plugin [com.glide.service-portal.themes.la-jolla] This plugin is required going forward in newer instances and should be activated as per documentation: Activate La Jolla theme brandingResolutionTo resolve the issue, please modify the records to a valid 'Display sheet' record or activate the plugin as suggested.