How To Fix LX157 - Data transfer object &1 already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: LX - SAPDXfer: Central Tools - Initial Data Transfer

• Message number: 157

• Message text: Data transfer object &1 already exists

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message LX157 - Data transfer object &1 already exists ?

  The SAP error message LX157, which states "Data transfer object &1 already exists," typically occurs in the context of the Extended Warehouse Management (EWM) module or when dealing with data transfer objects (DTOs) in SAP. This error indicates that there is an attempt to create or register a data transfer object that already exists in the system.
  
  Cause:
  
  Duplicate Entry: The most common cause of this error is that the system is trying to create a DTO with an identifier that already exists in the database.
  Concurrency Issues: If multiple processes are trying to create the same DTO simultaneously, it can lead to this error.
  Incorrect Configuration: There may be issues with the configuration of the data transfer process that leads to the creation of duplicate entries.
  Data Consistency Issues: If there are inconsistencies in the data being processed, it may lead to attempts to create duplicate DTOs.
  
  
  Solution:
  
  
  Check Existing DTOs: Before creating a new DTO,