How To Fix /IWBEP/CM_V4_COS022 - Filter expression is contradictory (e.g. ID eq 1 and ID eq 3)

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_V4_COS -

• Message number: 022

• Message text: Filter expression is contradictory (e.g. ID eq 1 and ID eq 3)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_V4_COS022 - Filter expression is contradictory (e.g. ID eq 1 and ID eq 3) ?

  The SAP error message /IWBEP/CM_V4_COS022 indicates that there is a contradiction in the filter expression used in an OData query. Specifically, the error arises when the filter conditions specified in the query cannot logically coexist. For example, if you have a filter that states ID eq 1 and ID eq 3, it is contradictory because a single entity cannot have two different IDs at the same time.
  Cause:
  The primary cause of this error is the use of conflicting filter criteria in an OData request. This can happen due to:
  
  Incorrectly constructed queries where multiple conditions are applied to the same field with conflicting values.
  A misunderstanding of how to use logical operators (AND, OR) in the filter expression.
  A programming error in the application that constructs the OData query.
  
  Solution:
  To resolve this error, you need to review and correct the filter expression in your OData query. Here are some steps to follow:
  
  
  Review the Filter Expression: Check the filter conditions in your OData request. Ensure that you are not trying to filter the same field with contradictory values.
  
  
  Use Logical Operators: If you need to filter for multiple values, consider using the or operator instead of and. For example, if you want to retrieve records with either ID 1 or ID 3, the filter should be:
  ID eq 1 or ID eq 3
  
  
  Check Application Logic: If the query is being generated programmatically, review the logic that constructs the filter expression. Ensure that it correctly handles multiple conditions without creating contradictions.
  
  
  Test with Simplified Queries: If you're unsure where the contradiction lies, try simplifying the query to isolate the problematic filter condition. Start with a single condition and gradually add more until the error reappears.
  
  
  Consult Documentation: Refer to the SAP OData documentation for guidance on constructing valid filter expressions.
  
  
  Related Information:
  
  OData Query Options: Familiarize yourself with OData query options and how to use them effectively. This includes understanding $filter, $select, $expand, etc.
  SAP Gateway: If you are working with SAP Gateway, ensure that your service is correctly configured to handle the expected filter expressions.
  Debugging Tools: Use debugging tools or logs to trace the OData requests and responses, which can help identify where the error is occurring.
  
  By following these steps, you should be able to resolve the /IWBEP/CM_V4_COS022 error and construct valid OData queries.