Please post a RanorexSpy snapshot.
Also, please post what type of error you are receiving as well as what code you are attempting to use.
What type of AUT is it? What type of grid is it? 3rd party Control?
The more and better information you share with us, the better we will be able to help you.
If this or any response has helped you, please reply to the thread stating that it worked so other people with a similar issue will know how you fixed your issue!