The IMT Portal displays Page not found error without any widget or header on the pageIssue In Emergency Response apps, the IMT Portal displays Page not found error and doesn't display any widget or header on the portal page. ReleaseNew YorkCauseThe issue is caused due to the Header widget missing the Angular ng-templates and thus displaying Page not found errors. The instance with Menu "SP Header Menu IMT" uses "Header widget"ResolutionTo resolve the issue add the Angular ng-templates to Header widget or if any custom widget that is being used in place of OOB widget.