System.NullReferenceException: Object reference not set to an instance of an object.

This error is thrown when clicking the second line of a batch, and then clicking back up to the first

System.NullReferenceException: Object reference not set to an instance of an object.

at Blackbaud.AppFx.Browser.EditGridHelper._embeddedTextEditor_AfterEditorButtonCloseUp(Object sender, EditorButtonEventArgs e)

at Infragistics.Win.DropDownManager.Close()

at Infragistics.Win.DropDownManager.InternalCloseDropDown(Control owner)

at Infragistics.Win.DropDownManager.System.Windows.Forms.IMessageFilter.PreFilterMessage(Message& msg)

at Infragistics.Win.DropDownManager.MessageFilterProxy.System.Windows.Forms.IMessageFilter.PreFilterMessage(Message& msg)

at Infragistics.Win.Utilities.MessageFilterManager.System.Windows.Forms.IMessageFilter.PreFilterMessage(Message& m)

Download and install the latest version and patch, if applicable. 

Environment

 2.9.1001.59
 2.93.2034

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