How To Fix /IWBEP/CM_MGW_EXPR002 - Open SQL WHERE clause generation failed

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_MGW_EXPR -

• Message number: 002

• Message text: Open SQL WHERE clause generation failed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_MGW_EXPR002 - Open SQL WHERE clause generation failed ?

  The SAP error message /IWBEP/CM_MGW_EXPR002 indicates that there is an issue with the generation of the Open SQL WHERE clause in the context of an OData service. This error typically arises when the system encounters a problem while trying to interpret or process the filter conditions specified in an OData query.
  Causes:
  
  Invalid Filter Syntax: The filter conditions in the OData request may not be correctly formatted or may contain unsupported operations.
  Data Type Mismatch: The data types of the fields being filtered may not match the expected types in the database.
  Unsupported Operations: Certain operations or functions used in the filter may not be supported by the underlying database or the OData service.
  Field Name Issues: The field names used in the filter may not exist in the underlying database table or may be incorrectly referenced.
  Authorization Issues: Lack of proper authorizations to access certain fields or tables can also lead to this error.
  
  Solutions:
  
  Check the OData Query: Review the OData request to ensure that the filter syntax is correct and adheres to the OData standards.
  Validate Data Types: Ensure that the data types of the fields being filtered match the expected types in the database. For example, if a field is of type integer, ensure that the filter value is also an integer.
  Review Supported Operations: Check the documentation for the OData service to confirm that the operations being used in the filter are supported.
  Field Name Verification: Verify that the field names used in the filter are correct and exist in the underlying database table.
  Authorization Check: Ensure that the user has the necessary authorizations to access the fields and tables involved in the query.
  Debugging: If you have access to the backend, you can use transaction codes like SE80 or SE11 to debug the OData service and see how the WHERE clause is being generated.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  OData Documentation: Review the OData documentation for best practices on constructing queries and filters.
  Community Forums: Engage with SAP community forums or support channels to see if others have encountered similar issues and how they resolved them.
  
  If the issue persists after trying the above solutions, it may be beneficial to involve your SAP Basis or ABAP development team for further investigation.