How To Fix /SAPDMC/LSMW_OBJ_040006 - No source field is assigned to the target field.

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPDMC/LSMW_OBJ_040 -

• Message number: 006

• Message text: No source field is assigned to the target field.

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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPDMC/LSMW_OBJ_040006 - No source field is assigned to the target field. ?

  The SAP error message /SAPDMC/LSMW_OBJ_040006 No source field is assigned to the target field typically occurs in the context of using the Legacy System Migration Workbench (LSMW) in SAP. This error indicates that there is a target field in your LSMW project that does not have a corresponding source field assigned to it. Here’s a breakdown of the cause, solution, and related information:
  Cause:
  
  Missing Mapping: The most common cause of this error is that during the mapping process, a target field was created or defined without a corresponding source field being assigned to it.
  Incorrect Configuration: There may be an issue with the configuration of the LSMW project, where the source structure does not match the target structure.
  Field Deletion: If a source field was deleted or renamed after the mapping was created, it could lead to this error.
  
  Solution:
  
  
  Check Field Mapping:
  
  Go to the LSMW project and navigate to the mapping section.
  Review the mapping of source fields to target fields. Ensure that every target field has a corresponding source field assigned to it.
  If a target field is not needed, consider removing it from the target structure.
  
  
  
  Add Missing Source Fields:
  
  If a target field is necessary, identify the appropriate source field that should be mapped to it and assign it accordingly.
  
  
  
  Review Source Structure:
  
  Ensure that the source structure you are using is correctly defined and contains all the necessary fields that you intend to map to the target structure.
  
  
  
  Test the Mapping:
  
  After making changes, test the mapping to ensure that the error is resolved and that the data can be migrated successfully.
  
  
  
  Documentation:
  
  Document any changes made to the mapping for future reference and to maintain clarity in the project.
  
  
  
  Related Information:
  
  LSMW Overview: LSMW is a tool in SAP used for data migration from legacy systems to SAP systems. It allows users to map fields from the source data to the target SAP fields.
  Field Mapping: Proper field mapping is crucial for successful data migration. Each target field must have a corresponding source field to ensure data integrity.
  Error Handling: Familiarize yourself with common LSMW error messages and their resolutions to streamline the data migration process.
  
  By following these steps, you should be able to resolve the error and successfully complete your data migration using LSMW.