Query Extent Lost when Reopening a Blend File

This is the situation:

1. I launch BlenderGIS (* shortcut) and load a map area, including elevation data and OpenStreet Map buildings.
2. I save the file, then close Blender.
3. I start Blender and reopen the file.
4. I try to load further OpenStreet Map data, like highways: I select the correct terrain in the Operator Settings Panel; but BlenderGIS prompts me with the following error message.

Please define the query extent in orthographic top view or by selecting a reference object

5, Then I launch BlenderGIS again (* shortcut) but the previous map bounding box is lost because, in the meantime I have changed my 3D Viewport size, and, by the way, it created a new object named "GOOGLE_SAT_WM.001" and, I did not try yet, but I bet it will create another plane named "EXPORT_GOOGLE_SAT_WM.00x", with a different shape than the original one (I can say it by the log, logging a different bounding box), which is not exactly the best thing for my purpose.

• Why not to reuse "GOOGLE_SAT_WM"?
• Is the map area dependent on the 3D Viewport, or is it possible, in some way to manually override it?