How To Fix /SAPDMC/LSMW_OBJ_070003 - Define source fields first

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPDMC/LSMW_OBJ_070 -

• Message number: 003

• Message text: Define source fields first

Self-Explanatory Message

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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_070003 - Define source fields first ?

  The SAP error message /SAPDMC/LSMW_OBJ_070003 Define source fields first typically occurs in the context of using the Legacy System Migration Workbench (LSMW) in SAP. This error indicates that the source fields for the data migration process have not been defined before attempting to map or process the data.
  Cause:
  The error is caused by the following reasons:
  
  Missing Source Fields: The source fields that are supposed to be used for the data migration have not been defined in the LSMW project.
  Incorrect Sequence of Steps: The user may have attempted to proceed with the mapping or data processing steps without first defining the source fields.
  Configuration Issues: There may be issues with the configuration of the LSMW project that prevent the source fields from being recognized.
  
  Solution:
  To resolve this error, follow these steps:
  
  
  Define Source Fields:
  
  Go to the LSMW transaction (usually LSMW).
  Navigate to the project, subproject, and object where you are encountering the error.
  Look for the step to define source fields (usually labeled as "Define Source Fields" or similar).
  Enter the necessary details for the source fields, including field names, data types, and lengths.
  
  
  
  Check the Sequence of Steps:
  
  Ensure that you are following the correct sequence of steps in the LSMW process. The typical sequence is:
  
  Define Project
  Define Subproject
  Define Object
  Define Source Structures
  Define Source Fields (this is where you may have missed a step)
  Maintain Field Mapping and Conversion Rules
  Specify Files
  Read Data
  Convert Data
  Import Data
  
  
  
  
  
  Review Configuration:
  
  If the source fields are defined but the error persists, review the configuration of your LSMW project to ensure that everything is set up correctly.
  Check for any inconsistencies or missing configurations that might affect the recognition of source fields.
  
  
  
  Recheck Data Files:
  
  If you are using external files for data migration, ensure that the files are correctly formatted and accessible.
  
  
  
  Consult Documentation:
  
  If you are still facing issues, refer to SAP documentation or help resources for further guidance on LSMW and the specific error message.
  
  
  
  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 source data to target SAP fields.
  Error Handling: Familiarize yourself with common error messages in LSMW and their resolutions to streamline the data migration process.
  SAP Notes: Check SAP Notes for any updates or patches related to LSMW that might address known issues.
  
  By following these steps, you should be able to resolve the error and successfully define the source fields for your LSMW project.