How To Fix CL_SADL_GW_MDE_MSG023 - Element contains non-character values

SAP Error Message - Details

• Message type: E = Error

• Message class: CL_SADL_GW_MDE_MSG -

• Message number: 023

• Message text: Element contains non-character values

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CL_SADL_GW_MDE_MSG023 - Element contains non-character values ?

  The SAP error message CL_SADL_GW_MDE_MSG023 indicates that there is an issue with the data being processed in the SAP system, specifically that an element contains non-character values when character values are expected. This error typically arises in the context of SAP Gateway and the SAP ABAP programming environment, particularly when dealing with data models and OData services.
  Cause:
  
  
  Data Type Mismatch: The error usually occurs when the data being sent to or processed by an OData service contains values that do not conform to the expected character data type. For example, if a field is defined to accept only string values but receives numeric or binary data instead.
  
  
  Incorrect Mapping: There may be an issue with how the data is mapped between the backend and the frontend. If the data model in the backend does not match the expected structure in the frontend, this error can occur.
  
  
  Invalid Data: The data being processed may contain invalid characters or formats that are not recognized as valid character values.
  
  
  Solution:
  
  
  Check Data Types: Review the data types defined in the data model and ensure that the values being passed conform to these types. Make sure that all fields expected to be character types are indeed receiving character data.
  
  
  Data Validation: Implement validation checks in your code to ensure that the data being processed is valid and conforms to the expected formats before it is sent to the OData service.
  
  
  Debugging: Use debugging tools to trace the data flow and identify where the non-character values are being introduced. This can help pinpoint the exact location in the code or data model where the issue arises.
  
  
  Adjust Mapping: If there is a mapping issue, adjust the mapping configuration to ensure that the data being sent matches the expected structure of the OData service.
  
  
  Error Handling: Implement error handling in your application to catch and manage such errors gracefully, providing meaningful feedback to users or logging the errors for further analysis.
  
  
  Related Information:
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  
  
  OData Services: Familiarize yourself with the structure and requirements of OData services in SAP, as understanding how data is expected to be formatted can help prevent such errors.
  
  
  Data Model Documentation: Review the documentation for the specific data model you are working with to ensure compliance with the expected data types and structures.
  
  
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.