dhtmlgridx firebug error list

My application works very well without any problem. Still I see this message in my firebug. Is there anything I should do to getrid of this message.

this._getCurrentBrowser() is null

? in dhtmlxgrid.js@728(undefined)dhtmlxgrid.js (line 728)

? in dhtmlxgrid_group.js@7()dhtmlxgr…_group.js (line 8)

? in dhtmlxgrid_group.js@10()dhtmlxgr…_group.js (line 10)

? in dhtmlxgrid.js@535()dhtmlxgrid.js (line 535)

? in dhtmlxgrid.js@535(“onClearAll”, [])dhtmlxgrid.js (line 535)

? in dhtmlxgrid.js@290(true)dhtmlxgrid.js (line 294)

? in dhtmlxgrid.js@62(undefined)dhtmlxgrid.js (line 66)

customerList(Object request=Object transport=XMLHttpRequest)clientID…ator.jsp# (line 1294)

? in prototype.js@1286(4)prototype.js (line 1307)

? in prototype.js@1234()prototype.js (line 1237)

? in prototype.js@207()prototype.js (line 208)

[Break on this error] _reset_view:function(skip){var tb = thi…= tb.removeChild(tb.childNodes[0], true)

this._getCurrentBrowser() is null
This functionality is not a part of dhtmlxgrid

According to stack trace info, you are using grid with grouping and prototype.js on same page. There is a known issue with such combination - please contact us directly at support@dhtmlx.com  and provide your ref. number - we will send you an updated js files.