'Document ... cannot be saved for Document Recovery' when saving a Database Diagram
说明
When working on a diagram .ter file, and saving any change (for example, adding a note in it), there is an error when you save the file.
'Document ... cannot be saved for Document Recovery. Object Reference not set to an instance of an Object. Stack trace: at Quest.Toad.ModelerDrawing.DrawingControlsRelationObject.WriteXml(XmlElement note)'