SYMPTOM:
When trying to update Schema using a 3-tier project source in Strategy Developer 9.4.1 and 10.x after removing a table from Warehouse Catalog, an error message appears:

Error(s) occurred while loading schema: DSSSQLEngine: Schema loading error: [DFCSCHEMA] Population Exception: The object shown in the following hierarchy no longer exists in schema: -Relation-TableThe object definition is incomplete or inconsistent. Error(s) occurred while loading schema: 0
KB39551