[incident#1584976] DsRestAPI/DsRestAPIComm.js returned "no answer" response.

Problem fixed.

Signed-off-by: Tamas Levente Kiss <tamas.levente.kiss@ericsson.com>

htdocs/Utils/DsRestAPI/DsRestAPIComm.js

@@ -58,7 +58,7 @@ function CDsRestAPIComm(p_extension) {
                     {
                         try {
                             var contentlist = JSON.parse(data).contentList;
-                            if (contentlist.length == 1 && contentlist[0].node.val == "timeout")
+                            if (contentlist.length == 1 && contentlist[0].node != undefined && contentlist[0].node.val == "timeout")
                             {
                                 mThis.handleError("Timeout received from server", "Overload", aHandler, end, start);
                             }