How To Fix LT013 - Enter unique numbers

SAP Error Message - Details

• Message type: E = Error

• Message class: LT - LE-WM: View or Table Maintenance Error Messages

• Message number: 013

• Message text: Enter unique numbers

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 LT013 - Enter unique numbers ?

  The SAP error message LT013 ("Enter unique numbers") typically occurs in the context of warehouse management or inventory management when the system expects a unique identifier for a specific operation, such as a transfer order or a stock movement. This error can arise in various scenarios, such as when trying to process a transfer order or when entering stock quantities.
  Cause:
  
  Duplicate Entry: The most common cause of this error is that the system has detected duplicate entries for the same item or document number in the context where unique identifiers are required.
  Incorrect Input: Users may inadvertently enter the same number multiple times in fields that require unique values.
  Configuration Issues: There may be issues with the configuration of the warehouse management system that lead to the requirement for unique identifiers not being properly enforced.
  
  Solution:
  
  Check for Duplicates: Review the entries you are trying to process. Ensure that all numbers or identifiers you are entering are unique and not already in use.
  Correct Input: If you find duplicates, correct your input by entering unique numbers for each entry.
  Review Transfer Orders: If this error occurs during the processing of transfer orders, check the transfer order details to ensure that each item has a unique identifier.
  Consult Documentation: Refer to SAP documentation or help files for specific guidance on the transaction you are working with, as the requirements for unique identifiers can vary by transaction.
  System Configuration: If the issue persists, consult with your SAP administrator or technical team to review the configuration settings related to warehouse management and ensure they are set up correctly.
  
  Related Information:
  
  Transaction Codes: This error can occur in various transaction codes related to warehouse management, such as LT01 (Create Transfer Order), LT02 (Change Transfer Order), and LT03 (Display Transfer Order).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its system, and there may be specific notes addressing this error.
  User Training: Ensure that users are trained on the proper procedures for entering data in the system to minimize the occurrence of this error.
  
  If the problem continues after following these steps, it may be beneficial to engage with SAP support for further assistance.