How To Fix /SAPDMC/LSMW_OBJ_060016 - A file has already been assigned to source structure '&'.

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPDMC/LSMW_OBJ_060 -

• Message number: 016

• Message text: A file has already been assigned to source structure '&'.

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_060016 - A file has already been assigned to source structure '&'. ?

  The SAP error message /SAPDMC/LSMW_OBJ_060016 indicates that a file has already been assigned to the specified source structure in the Legacy System Migration Workbench (LSMW). This typically occurs when you are trying to assign a new file to a source structure that already has an existing file linked to it.
  Cause:
  
  Duplicate Assignment: The most common cause is that you are attempting to assign a new file to a source structure that already has a file assigned.
  Incorrect Configuration: There may be a misconfiguration in the LSMW project where the source structure is not properly set up to allow multiple files.
  User Error: The user may have inadvertently tried to assign a file without realizing that one was already assigned.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Assignments:
  
  Go to the LSMW project and check the source structure to see which file is currently assigned.
  If you need to change the file, you may need to remove the existing assignment first.
  
  
  
  Remove Existing File Assignment:
  
  Navigate to the relevant step in the LSMW project where the file assignment is made.
  Remove the existing file assignment for the source structure.
  After removing the existing file, you can then assign the new file.
  
  
  
  Reassign the File:
  
  Once the previous file assignment is cleared, you can proceed to assign the new file to the source structure.
  
  
  
  Review Documentation:
  
  If you are unsure about the steps, refer to the SAP documentation or help files related to LSMW for guidance on file assignments.
  
  
  
  Consult with Colleagues:
  
  If you are working in a team, check with colleagues to see if someone else is working on the same LSMW project and may have made the assignment.
  
  
  
  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 data from external files into SAP.
  Source Structures: In LSMW, source structures define the format and structure of the data being imported. Each source structure can only have one file assigned at a time.
  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 assign the desired file to the source structure in your LSMW project.