How To Fix >U602 - Check lot transfer &2 is being used by user &1

SAP Error Message - Details

• Message type: E = Error

• Message class: >U -

• Message number: 602

• Message text: Check lot transfer &2 is being used by user &1

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 >U602 - Check lot transfer &2 is being used by user &1 ?

  The SAP error message "U602 Check lot transfer &2 is being used by user &1" typically indicates that a specific lot transfer process is currently being accessed or locked by another user. This can occur in various SAP modules, particularly in inventory management or production planning, where lot management is involved.
  Cause:
  
  User Lock: The lot transfer process is being executed by another user, which prevents other users from accessing or modifying it simultaneously.
  Session Issues: The user may have an open session that is still processing the lot transfer, leading to a lock.
  Transaction Lock: The transaction might be locked due to a previous error or an incomplete process that has not been properly closed.
  
  Solution:
  
  Wait and Retry: If the lot transfer is being processed by another user, you may need to wait until that user completes their transaction. After some time, try to access the lot transfer again.
  Check User Sessions: If you have access, check the active user sessions in the system to see if the user mentioned in the error message is still logged in and working on the lot transfer.
  Transaction Monitoring: Use transaction codes like SM12 (to check for locks) or SM21 (to check system logs) to identify if there are any locks on the lot transfer and who is holding them.
  Contact the User: If you can identify the user who is holding the lock, you may want to contact them to see if they can complete or release the transaction.
  System Administrator: If the issue persists and you cannot resolve it, contact your SAP system administrator. They may need to manually release the lock or investigate further into the system's behavior.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM12 (to view and manage locks), SM21 (to view system logs), and SU01 (to manage user accounts).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Documentation: Review SAP documentation related to lot management and inventory processes to understand how locks are managed and how to avoid conflicts.
  
  By following these steps, you should be able to address the error message and continue with your lot transfer process.