How To Fix L1155 - & quant blocks have been changed

SAP Error Message - Details

• Message type: E = Error

• Message class: L1 - Message handling for WM master data

• Message number: 155

• Message text: & quant blocks have been changed

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message L1155 - & quant blocks have been changed ?

  The SAP error message L1155, which states "Quant blocks have been changed," typically occurs in the context of inventory management and warehouse management. This error indicates that there is a discrepancy or conflict regarding the stock quantities or the status of the quant (quantities) in the system.
  Cause:
  
  Concurrent Updates: The error often arises when multiple users or processes are trying to update the same quant simultaneously. This can happen in high-traffic environments where inventory is being adjusted frequently.
  Data Inconsistency: If there are inconsistencies in the database or if the system has not been updated correctly after a transaction, it can lead to this error.
  Locking Issues: If a quant is locked by another transaction and another process tries to access or modify it, this error may occur.
  Background Jobs: Sometimes, background jobs that update stock levels can interfere with real-time transactions, leading to this error.
  
  Solution:
  
  Refresh the Data: If you encounter this error, try refreshing the screen or reloading the data. This can sometimes resolve temporary inconsistencies.
  Check for Locks: Use transaction codes like SM12 to check for any locks on the quant. If you find locks that are no longer needed, you can release them.
  Retry the Transaction: After refreshing or checking for locks, try to perform the transaction again.
  Review Background Jobs: If background jobs are causing the issue, consider scheduling them during off-peak hours or adjusting their frequency.
  Consult with IT Support: If the problem persists, it may be necessary to consult with your SAP support team or IT department to investigate further. They can check for any underlying issues in the database or system configuration.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  MB52: List of Warehouse Stocks on Hand
  MB1A: Goods Withdrawal
  MB1B: Transfer Posting
  MB1C: Other Goods Receipts
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error. SAP frequently updates its knowledge base with solutions for common problems.
  Documentation: Review SAP documentation related to inventory management and warehouse management for best practices and troubleshooting steps.
  
  By following these steps, you should be able to address the L1155 error effectively. If the issue continues, further investigation into system logs and configurations may be necessary.