How To Fix MW855 - An error occurred updating the allocation table status

SAP Error Message - Details

• Message type: E = Error

• Message class: MW - Messages IS-R / Allocation Tables

• Message number: 855

• Message text: An error occurred updating the allocation table status

Self-Explanatory Message

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• What is the cause and solution for SAP error message MW855 - An error occurred updating the allocation table status ?

  The SAP error message MW855, which states "An error occurred updating the allocation table status," typically occurs in the context of inventory management and logistics, particularly when dealing with stock transfers, goods movements, or allocation of materials. This error can arise due to various reasons, and understanding the cause is essential for finding an appropriate solution.
  Causes of MW855 Error
  
  
  Data Inconsistencies: There may be inconsistencies in the data related to stock levels, allocation tables, or material documents that prevent the system from updating the allocation table.
  
  
  Lock Entries: If another process is currently accessing the allocation table or related data, it may lead to a lock situation, causing the update to fail.
  
  
  Configuration Issues: Incorrect configuration in the system settings related to inventory management or allocation processes can lead to this error.
  
  
  Authorization Issues: The user may not have the necessary authorizations to perform the operation that is trying to update the allocation table.
  
  
  System Bugs: Occasionally, this error can be caused by bugs in the SAP system or specific transactions that have not been patched or updated.
  
  
  Solutions to MW855 Error
  
  
  Check Data Consistency:
  
  Verify the data related to the stock and allocation tables. Ensure that there are no discrepancies in the material documents or stock levels.
  Use transaction codes like MB51 (Material Document List) or MB5B (Stock on Posting Date) to check for inconsistencies.
  
  
  
  Release Locks:
  
  Check for any lock entries using transaction code SM12. If there are locks related to the allocation table, you may need to release them or wait for the other process to complete.
  
  
  
  Review Configuration:
  
  Ensure that the configuration settings for inventory management and allocation processes are correct. This may involve checking settings in SPRO (SAP Project Reference Object).
  
  
  
  Check Authorizations:
  
  Verify that the user has the necessary authorizations to perform the operation. This can be done by checking the user roles and authorizations in transaction code SU53.
  
  
  
  Consult SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that may address this specific error. There may be patches or updates available that resolve known issues.
  
  
  
  System Logs:
  
  Check the system logs (transaction code SLG1) for any additional error messages or information that can provide more context about the issue.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error, including transaction codes and any relevant logs.
  
  
  
  Related Information
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MB1A (Goods Withdrawal), MB1B (Transfer Posting), and MB1C (Other Goods Receipts) that may be related to the operations causing the error.
  Documentation: Review SAP documentation related to inventory management and allocation processes for best practices and troubleshooting steps.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the MW855 error and implement a suitable solution.