How To Fix DMCLG139 - File-identifier <&1> exists at least twice

SAP Error Message - Details

• Message type: E = Error

• Message class: DMCLG - DMC Tool Development

• Message number: 139

• Message text: File-identifier <&1> exists at least twice

What causes this issue?

File identifiers must be uniquely selected.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DMCLG139 - File-identifier <&1> exists at least twice ?

  The SAP error message DMCLG139 indicates that there is a duplicate file identifier in the system. This typically occurs when the system detects that a file identifier (which is a unique identifier for a file) is being used more than once, leading to conflicts in file management or processing.
  Cause:
  
  Duplicate Entries: The most common cause is that the same file identifier has been assigned to multiple files or entries in the system.
  Data Migration Issues: If data has been migrated from another system or if files have been imported, it’s possible that duplicates were created during this process.
  Incorrect Configuration: Misconfiguration in the system settings or file management processes can lead to the generation of duplicate identifiers.
  
  Solution:
  
  Identify Duplicates: Use transaction codes or reports to identify where the duplicate file identifiers are located. This may involve querying the database or using specific SAP tools to find the entries.
  Remove or Rename Duplicates: Once identified, you can either delete the duplicate entries or rename them to ensure that each file identifier is unique.
  Check Configuration: Review the configuration settings related to file management to ensure that they are set up correctly to prevent future duplicates.
  Data Cleanup: If the duplicates are a result of data migration, consider performing a data cleanup to remove or consolidate duplicate entries.
  Consult Documentation: Refer to SAP documentation or support for specific instructions related to your version of SAP, as the steps may vary.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes that can help in managing files and identifiers, such as SE11 (Data Dictionary) or SE16 (Data Browser).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP Notes often provide solutions or workarounds for specific error messages.
  Support: If the issue persists, consider reaching out to SAP support for assistance, especially if it impacts critical business processes.
  
  By following these steps, you should be able to resolve the DMCLG139 error and prevent it from occurring in the future.