How To Fix /SAPDMC/LSMW_AUX_010013 - Define source structures first

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPDMC/LSMW_AUX_010 -

• Message number: 013

• Message text: Define source structures first

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPDMC/LSMW_AUX_010013 - Define source structures first ?

  The SAP error message /SAPDMC/LSMW_AUX_010013 Define source structures first typically occurs in the context of using the Legacy System Migration Workbench (LSMW) in SAP. This error indicates that the system is expecting you to define source structures before proceeding with the migration process.
  Cause:
  The error is triggered when you attempt to execute a step in the LSMW process that requires source structures to be defined, but none have been set up. Source structures are essential as they define the format and structure of the data you are trying to import into SAP.
  Solution:
  To resolve this error, you need to define the source structures in your LSMW project. Here are the steps to do this:
  
  
  Access LSMW: Go to transaction code LSMW in your SAP system.
  
  
  Select Your Project: Choose the project you are working on.
  
  
  Define Source Structures:
  
  Navigate to the step where you can define source structures. This is usually found under the "Maintain Source Structures" option.
  Click on "Create" to define a new source structure.
  Enter the name and description for the source structure.
  Save your changes.
  
  
  
  Map Source Fields: After defining the source structure, you may also need to map the fields from your source structure to the target structure in SAP.
  
  
  Continue with the Process: Once the source structures are defined, you should be able to proceed with the subsequent steps in the LSMW process without encountering the error.
  
  
  Related Information:
  
  Documentation: Refer to the SAP Help Portal or the LSMW documentation for detailed guidance on how to define source structures and the overall LSMW process.
  Data Formats: Ensure that the data you are importing matches the structure you have defined. This includes data types, lengths, and formats.
  Testing: After defining the source structures and mapping fields, it is advisable to run a test import to ensure everything is set up correctly before performing the actual data migration.
  
  By following these steps, you should be able to resolve the error and successfully continue with your data migration project in SAP.