To Resolve the Issue Qualify all such ambiguous references.
To Resolve the Issue In TIBCO BusinessEvents Studio double-click those items in the Problems view. The rule editor displays the corresponding rule or rule function. In the editor. Check for red error indicators on lines containing function mapping. Where you see an error indicator on a line containing Mapper code, Ctrl-click the underlined argument text to open the Function Argument Mapper dialog. Click the Mapper Check and Repair (check-mark icon) button.