Discovered while debugging online with APG (RRCS-406). It appears when viewing the risk assessment panel in IE11.
The error in the browser's console simply says that a syntax error occurred in elm-mdc.js, and does not provide any more details.
The error does not occur in Chrome, Firefox, nor MS Edge.
Risk Register 4.4.3
Jira Server 7.2.x
Internet Explorer 11