KB32948: "Unexpected Error. Cannot save, move or copy this Column object because it has been changed in the Metadata." error message appears when updating table structure in Warehouse Catalog in MicroStrategy Developer 9.4.1.

SUMMARY: 
This technical document describes a known issue in Strategy Developer 9.4.1. 
SYMPTOM:
When attempting to update the table structure or a table  in Warehouse Catalog in Strategy Developer 9.4.1, user gets the following error: 

Unexpected Error. Cannot save, move or copy this Column object because it has been changed in the Metadata.

1. Change the datatype for one column in a particular table  in the warehouse database.
2. In Strategy Developer 9.0.1 go to  Warehouse Catalog and  Update table structure for the table with the changed datatype.
3. Save and close Warehouse Catalog.
4. Open Warehouse Catalog again
5. Update the structure for at least two tables including the table mentioned in step 1.
6. Save and close Warehouse Catalog, the following error message is shown:

Unexpected Error. Cannot save, move or copy this column object because it has been changed in the Metadata.