SYMPTOM:
When adding an attribute to group-by section of Document Editor, customer receives error message: "Method '~' of object '~' failed." Report without Group-By runs successfully and returns no error. The error message only occurs when any attribute is added to Group-By section.
"Method '~' of object '~' failed."

3. Change both the “Report sort” and “Browse sort” to “None”, click “OK”.

4. Go back to the attribute editor, click “Save and Close”.
5. Repeat 1-4 for “Artist” attribute, but in step 3 change both “Report sort” and “Browse sort” to “Ascending”.
6. Repeat 1-5 for “DESC” form of “Artist” attribute.
7. Repeat 1-4 for all attribute forms in all other attributes.
8. Update the schema.