How To Fix SOS_MAPPING155 - The mapping type is not valid in the redefinition of the mapping

SAP Error Message - Details

• Message type: E = Error

• Message class: SOS_MAPPING - Object Services: Persistence Mapping for Messages

• Message number: 155

• Message text: The mapping type is not valid in the redefinition of the mapping

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SOS_MAPPING155 - The mapping type is not valid in the redefinition of the mapping ?

  The SAP error message SOS_MAPPING155 indicates that there is an issue with the mapping type in the context of a redefinition of a mapping. This error typically arises in scenarios involving data transformation or mapping in SAP systems, particularly when using tools like SAP Process Integration (PI) or SAP Data Services.
  Cause:
  The error can occur due to several reasons:
  
  Invalid Mapping Type: The mapping type specified in the redefinition does not match the expected or allowed types. This could be due to a typo or incorrect configuration.
  Inconsistent Mapping Definitions: If the mapping definitions are inconsistent or if there are changes in the source or target structures that are not reflected in the mapping, this error can occur.
  Versioning Issues: If there are multiple versions of the mapping and the system is trying to use an outdated or incorrect version, it may lead to this error.
  Configuration Errors: Incorrect settings in the mapping configuration or in the related objects can also trigger this error.
  
  Solution:
  To resolve the SOS_MAPPING155 error, you can follow these steps:
  
  
  Check Mapping Type: Verify that the mapping type you are using is valid and correctly defined. Ensure that it matches the expected types in the context of the redefinition.
  
  
  Review Mapping Definitions: Go through the mapping definitions to ensure that they are consistent and correctly configured. Look for any discrepancies between the source and target structures.
  
  
  Update Mapping: If there have been changes in the source or target data structures, update the mapping accordingly. Make sure to regenerate or recompile the mapping if necessary.
  
  
  Check Versioning: Ensure that you are using the correct version of the mapping. If there are multiple versions, confirm that the system is referencing the intended one.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific details about the mapping types and their configurations.
  
  
  Testing: After making changes, test the mapping to ensure that the error is resolved and that the data transformation works as expected.
  
  
  Seek Support: If the issue persists, consider reaching out to SAP support or consulting with a technical expert who specializes in SAP mappings and integrations.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  Documentation: Review the official SAP documentation for the specific module or tool you are using (e.g., SAP PI, SAP Data Services) for detailed information on mapping configurations and error handling.
  
  By following these steps, you should be able to identify and resolve the cause of the SOS_MAPPING155 error in your SAP environment.