I am attempting to update an editorgrid that was created in 1.2 to 2.0. The error

"[ERROR] Uncaught exception escaped
java.lang.NullPointerException: null
at com.extjs.gxt.ui.client.store.Record.set(Record.java:266)
at com.extjs.gxt.ui.client.widget.grid.EditorGrid.onEditComplete(EditorGrid.java:263)
at com.extjs.gxt.ui.client.widget.grid.EditorGrid$1$1.handleEvent(EditorGrid.java:171)
at com.extjs.gxt.ui.client.widget.grid.EditorGrid$1$1.handleEvent(EditorGrid.java:1)
at com.extjs.gxt.ui.client.event.BaseObservable.fireEvent(BaseObservable.java:100)
..." is returned when a simpleCombobox value is changed from one value to another. I can set the value from empty text to a value the first time, but can not change the value after it has been set.

I have tried to recreate the issue with the sample grid, but have not been successful. Does anyone have any suggestions?

Thank You,