How To Fix /IWBEP/CM_MGW_EXPR001 - Operator &1 is not supported

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_MGW_EXPR -

• Message number: 001

• Message text: Operator &1 is not supported

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_MGW_EXPR001 - Operator &1 is not supported ?

  The SAP error message /IWBEP/CM_MGW_EXPR001 Operator &1 is not supported typically occurs in the context of OData services when there is an issue with the expression language used in the query. This error indicates that the operator specified in the query is not recognized or supported by the OData service.
  Cause:
  
  Unsupported Operator: The operator used in the OData query is not supported by the version of the OData service you are using. This can happen if you are trying to use a feature or operator that is not implemented in the backend.
  Syntax Error: There may be a syntax error in the OData query, leading to the use of an invalid operator.
  Version Mismatch: The OData service version may not support certain operators that are available in newer versions.
  Data Type Mismatch: The operator may not be applicable to the data types being used in the query.
  
  Solution:
  
  Check Supported Operators: Review the documentation for the specific version of the OData service you are using to ensure that the operator in question is supported.
  Modify the Query: If the operator is unsupported, modify the OData query to use a different operator that is supported. For example, if you are using a complex operator, consider breaking it down into simpler expressions.
  Validate Syntax: Ensure that the syntax of your OData query is correct. Use tools or resources to validate the query structure.
  Update OData Service: If you are using an older version of the OData service, consider updating to a newer version that supports the desired operators.
  Check Data Types: Ensure that the data types in your query match the expected types for the operators you are using.
  
  Related Information:
  
  OData Documentation: Refer to the official OData documentation for a list of supported operators and their usage.
  SAP Notes: Check SAP Notes for any known issues or patches related to the OData service you are using.
  Debugging Tools: Use debugging tools available in SAP (like transaction codes such as /IWFND/ERROR_LOG) to get more details about the error and the context in which it occurred.
  Community Forums: Engage with the SAP community forums or support channels for additional insights and solutions from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the cause of the error and implement a suitable solution.