code: function (oEvent) {
  			var sSource = oEvent.getSource();
  			sap.ui.require(["sap/ui/fl/support/apps/contentbrowser/utils/ErrorUtils"], function (ErrorUtils) {
  				ErrorUtils.handleMessagePopoverPress(sSource);
  			});
  		}
docs: Handler for displaying errors;
  Calls the "ErrorUtils" helper class for error handling.
  @param oEvent - press event on the error button
  @public