2038488 - Referencing undeclared variable - Filter expression error: Referencing undeclared variable <Views."***"."Material Type">. Declare the variable before using it. (COR-10598) - SAP Information Steward 4.2

• Defined SAP ECC tables and have used this view in another view so that we can apply certain filter criteria to the data.
• The fields returned by the first (primary) views has spaces in the field names.
• Initially the view worked correctly, but Information Steward then started reporting the view as invalid.
• Filter expression error: Referencing undeclared variable <Views."**********"."Material Type">. Declare the variable before using it. (COR-10598).
• The view does not complain about spaces in the field names unless using the field in the filter criteria for the view.

• SAP Information Steward 14.2.1
• SAP ECC

KBA , EIM-IS-DI , Information Steward - Data Insight , Problem