fn._generateCellRowOutline exception

[stoodin]

Hi,
I am using IE7 (sorry have to support for a few month) and always getting exception in the fn._generateCellRowOutline on line:
lft = $td[0].offsetLeft + $table[0].offsetLeft + offsetParent.offsetLeft;
in my case offsetParent is NULL

To reproduce it I change one cell and move to another by mouse click to the next cell. Tab is working fine.

Could you help me to resolve this problem please?

Thank you.

[paramvir]

I don't see this error in the demos with IE7. Could you please point the demo or create a jsfiddle and mention the steps to reproduce the error.

[stoodin]

Looks like it has been fixed in the newer version.
2.2 works but has some other issues related to IE7.
Thank you