How To Fix FDT_EXPRESSIONS860 - Mapping position &1: Invalid mapping, no source table defined

SAP Error Message - Details

• Message type: E = Error

• Message class: FDT_EXPRESSIONS - Formula & Derivation Tool: Expressions

• Message number: 860

• Message text: Mapping position &1: Invalid mapping, no source table defined

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FDT_EXPRESSIONS860 - Mapping position &1: Invalid mapping, no source table defined ?

  The SAP error message FDT_EXPRESSIONS860 indicates that there is an issue with a mapping configuration in the context of SAP Data Services or SAP Process Integration (PI). Specifically, the error states that there is an invalid mapping because no source table has been defined for the mapping position indicated by &1.
  Cause:
  
  Missing Source Table: The most common cause of this error is that the mapping configuration does not have a source table defined. This could happen if the mapping was created incorrectly or if the source table was deleted or not properly linked.
  Incorrect Mapping Logic: There may be an issue with the logic used in the mapping, such as referencing a source that does not exist or is not accessible.
  Configuration Issues: There could be a broader configuration issue within the Data Services or PI environment that is causing the mapping to fail.
  
  Solution:
  
  
  Define Source Table: 
  
  Go to the mapping configuration where the error is occurring.
  Ensure that a valid source table is defined for the mapping position indicated by &1.
  If the source table is missing, add it back to the mapping.
  
  
  
  Check Mapping Logic:
  
  Review the mapping logic to ensure that it correctly references the source table.
  Make sure that all fields and transformations are correctly defined and that they correspond to the source table.
  
  
  
  Validate Configuration:
  
  Check the overall configuration of the Data Services or PI environment to ensure that all necessary components are correctly set up.
  Look for any other error messages or warnings that might indicate broader issues.
  
  
  
  Test the Mapping:
  
  After making the necessary changes, test the mapping to ensure that it works as expected without generating the error.
  
  
  
  Consult Documentation: 
  
  If the issue persists, consult the SAP documentation or help resources for further guidance on mapping configurations and error messages.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Community Forums: Consider visiting SAP Community forums or other user groups where similar issues may have been discussed.
  Version Specifics: Be aware that the behavior of mappings and error messages can vary between different versions of SAP Data Services or PI, so ensure that you are looking at the correct version documentation.
  
  By following these steps, you should be able to resolve the error and ensure that your mapping is correctly configured.