Railo error structure not being referenced correctly onerror "key [CAUSE] doesn't exist"

[chapmandu]

Railo 4.1.1.009 Error (expression)
Message key [CAUSE] doesn't exist (existing keys:Extended_Info,Message,Detail,additional,TagContext,ErrorCode,type,StackTrace,ExtendedInfo)
Stacktrace The Error Occurred in

/var/lib/tomcat7/webapps/ROOT/wheels/events/onerror/cfmlerror.cfm: line 12 
10: </cfif>
11: </p>
12: <cfif StructKeyExists(arguments.exception.cause, "tagContext") && ArrayLen(arguments.exception.cause.tagContext)>
13: <p><strong>Location:</strong><br />
14: <cfset loc.path = GetDirectoryFromPath(GetBaseTemplatePath())>

called from /var/lib/tomcat7/webapps/ROOT/events/onerror.cfm: line 15
called from /var/lib/tomcat7/webapps/ROOT/wheels/global/cfml.cfm: line 138
called from /var/lib/tomcat7/webapps/ROOT/wheels/events/onerror.cfm: line 65
called from /var/lib/tomcat7/webapps/ROOT/wheels/global/cfml.cfm: line 44
called from /var/lib/tomcat7/webapps/ROOT/wheels/events/onerror.cfm: line 14