How To Fix CM_EXPERT344 - Mapping table for records contains no external ID for the record

SAP Error Message - Details

• Message type: E = Error

• Message class: CM_EXPERT - Messages for Expert

• Message number: 344

• Message text: Mapping table for records contains no external ID for the record

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CM_EXPERT344 - Mapping table for records contains no external ID for the record ?

  The SAP error message CM_EXPERT344 indicates that there is an issue with the mapping table for records, specifically that it does not contain an external ID for the record in question. This error typically arises in the context of data migration, integration, or when working with master data in SAP systems.
  Cause:
  
  Missing External ID: The primary cause of this error is that the mapping table, which is supposed to link internal SAP IDs with external IDs, does not have an entry for the specific record being processed.
  Data Inconsistency: There may be inconsistencies in the data being imported or processed, such as missing records in the mapping table.
  Configuration Issues: Incorrect configuration of the mapping settings or the data import process can lead to this error.
  Data Migration Issues: If you are migrating data from another system, the external IDs may not have been properly transferred or mapped.
  
  Solution:
  
  Check Mapping Table: Verify the mapping table to ensure that it contains the necessary external ID for the record in question. If the external ID is missing, you will need to add it.
  Data Validation: Validate the data being processed to ensure that all required fields, including external IDs, are populated correctly.
  Update Configuration: Review the configuration settings related to the mapping process to ensure they are set up correctly.
  Re-run Data Import: If the issue was due to a temporary inconsistency, re-running the data import or processing job may resolve the issue.
  Consult Documentation: Refer to SAP documentation or support resources for specific guidance related to the module or process you are working with.
  Error Logs: Check error logs for additional details that may provide insight into why the external ID is missing.
  
  Related Information:
  
  SAP Notes: Look for relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered and resolved similar issues.
  Data Migration Tools: If you are using specific data migration tools (like SAP Data Services), ensure that they are configured correctly and that all necessary mappings are in place.
  Testing: After making changes, conduct thorough testing to ensure that the issue is resolved and that the data integrity is maintained.
  
  By following these steps, you should be able to identify the root cause of the CM_EXPERT344 error and implement a solution to resolve it.