How To Fix LT013 - Enter unique numbers

LT013 - Overview

• 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.

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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