error when add new row to parnet in treegrid

Suite and Optimus Suite 5
#1

hi,
when i add new row to a parne in treegrid and the try to open that parent this error occurs!
could any one help me?
Error: uncaught exception: [Exception… “Could not convert JavaScript argument arg 0 [nsIDOMHTMLTableSectionElement.appendChild]” nsresult: “0x80570009 (NS_ERROR_XPC_BAD_CONVERT_JS)” location: “JS frame :: 127.0.0.1:8000/vendor/js/dhx/tre … reegrid.js :: <TOP_LEVEL> :: line 150” data: no]

#2

unfortunately the issue can’t be reconstructed.

Please check the working example:
dhtmlx.com/docs/products/dht … basic.html

If issue still occurs please provide any kind of sample with exact steps to reconstruct the issue.