How To Fix EE_SE_MP_MSG020 - &1 &2 :Mapping error by GDT &3

SAP Error Message - Details

• Message type: E = Error

• Message class: EE_SE_MP_MSG - Message class for Services of Meter Reading Document

• Message number: 020

• Message text: &1 &2 :Mapping error by GDT &3

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message EE_SE_MP_MSG020 - &1 &2 :Mapping error by GDT &3 ?

  The SAP error message EE_SE_MP_MSG020 typically indicates a mapping error related to the Global Data Type (GDT) in the context of SAP's Enterprise Services or middleware scenarios. This error can occur during the processing of messages, particularly when there is an issue with the data structure or mapping between different systems or components.
  Cause:
  
  Data Structure Mismatch: The data being processed does not conform to the expected structure defined by the Global Data Type. This could be due to missing fields, incorrect data types, or unexpected values.
  Mapping Configuration Issues: There may be a problem with the mapping configuration in the middleware (like SAP PI/PO) that translates data between different formats or systems.
  Versioning Issues: If there are changes in the GDT or the service interface, and the consuming application has not been updated accordingly, this can lead to mapping errors.
  Data Quality Issues: The incoming data may contain invalid or unexpected values that do not match the expected format or constraints defined in the GDT.
  
  Solution:
  
  Check Data Structure: Review the data being sent to ensure it matches the expected structure defined by the GDT. Look for missing fields or incorrect data types.
  Review Mapping Configuration: If you are using middleware like SAP PI/PO, check the mapping configuration to ensure that it correctly translates the data from the source to the target format.
  Update Interfaces: If there have been changes to the GDT or service interfaces, ensure that all consuming applications and interfaces are updated to reflect these changes.
  Data Validation: Implement data validation checks before sending data to ensure that it meets the required format and constraints.
  Error Logs: Check the error logs in the middleware or SAP system for more detailed information about the error. This can provide insights into what specifically is causing the mapping error.
  
  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 errors.
  Documentation: Review the documentation for the specific GDT and the service interfaces involved to understand the expected data structure and mapping requirements.
  Community Forums: Engage with SAP community forums or support channels where other users may have encountered similar issues and can provide insights or solutions.
  
  If the issue persists after following these steps, it may be beneficial to engage SAP support for further assistance.