Hi Brad,
Thanks for cotacting Syncfusion Support.
We are able to reproduce the reported issue when bind the empty value to the primary key column of Grid and double click on it. If this is not scenario to reproduce your issue, please provide the details regarding your query.
1. Did you use template column?
2. Share script error with callstack.
3. Share your View page code.
4. If possible reproduce the issue in below sample.
We have created a simple sample in jsplayground that you can run from below link.
http://jsplayground.syncfusion.com/q5rt4euh
Regards,
Saravanan A.