Smart tips are not showing content in the window when user hovers over question mark

Summary:

The problem is very inconsistent as this doesn't happen every time. But sometimes when a user is hovering over the question mark and the smart tip window pops up, the content within the window does not display. Picture below of the issue.

Content (please ensure you mask any confidential information):

Version (include the version you are using, if applicable):

R13 26A-Redwood

Code Snippet (add any code snippets that support your topic, if applicable):