"Districts who access Savvas Realize content through LMSes such as Canvas and Schoology may encounter issues when viewing Savvas content. The issue specifically impacts districts who use custom domain names for their LMS implementation. Districts who host their LMS on URLs such as *.canvas.com or *.schoology.com are not impacted. Our team is aware of the issue and working on a resolution.
As an immediate workaround, users can configure their LMS settings to open Savvas Realize content in a new browser tab/window rather than embedded inside an iFrame."