Message type: E = Error
Message class:  PROD_SUBSTN - Messages for Product Substitution 
Message number: 011
Message text: Filter is expected for property &
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The SAP error message PROD_SUBSTN011 typically indicates that a filter is expected for a specific property in the context of product substitution or similar processes. This error often arises in scenarios where the system is trying to process product substitutions, but the necessary filtering criteria for the property in question are not provided or are incorrectly configured.
Cause: Missing Filter Criteria: The error usually occurs when the system expects a filter for a specific property (like a product category, material type, etc.) but does not find one.
Configuration Issues: There may be issues in the configuration of the product substitution settings in the SAP system. Data Inconsistencies: The data related to the products or properties may be incomplete or inconsistent, leading to the inability to apply the expected filters.
Solution: Check Configuration: Navigate to the relevant configuration settings for product substitution in your SAP system. Ensure that all necessary filters for the properties are defined correctly. Review Product Data: Verify
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