How To Fix MDG_BS_ECC_BP_CHECK306 - Customer &1 is already locked

SAP Error Message - Details

• Message type: E = Error

• Message class: MDG_BS_ECC_BP_CHECK - MDG: messages for check on vendor and customer data

• Message number: 306

• Message text: Customer &1 is already locked

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MDG_BS_ECC_BP_CHECK306 - Customer &1 is already locked ?

  The SAP error message MDG_BS_ECC_BP_CHECK306 indicates that a business partner (in this case, a customer) is already locked for processing in the system. This typically occurs in the context of Master Data Governance (MDG) when multiple users or processes attempt to access or modify the same business partner data simultaneously.
  Cause:
  
  Concurrent Access: Another user or process is currently editing or processing the same customer record, leading to a lock on that record.
  Long-running Transactions: A transaction that takes a long time to complete may leave the record locked for an extended period.
  System Configuration: Certain configurations in the MDG or ECC system may lead to locking behavior that is more aggressive than necessary.
  
  Solution:
  
  Wait and Retry: If the lock is temporary (e.g., due to another user editing the record), waiting for a few moments and then retrying the operation may resolve the issue.
  Identify the Lock: Use transaction code SM12 to check for locks on the business partner. You can identify the user or process that is holding the lock.
  Release the Lock: If you have the necessary authorizations, you can manually release the lock from SM12. However, be cautious when doing this, as it may disrupt the other user's work.
  Check for Long-running Processes: Investigate if there are any long-running processes that are causing the lock. If so, consider optimizing those processes.
  Review Configuration: If this issue occurs frequently, review the configuration settings related to locking behavior in your MDG and ECC systems. Adjustments may be needed to reduce the frequency of locks.
  
  Related Information:
  
  Transaction Codes: 
  
  SM12: To view and manage locks.
  SM21: To check system logs for any related errors or warnings.
  ST22: To check for dumps that may provide additional context.
  
  
  User Roles and Authorizations: Ensure that users have the appropriate roles and authorizations to access and modify business partner data.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide patches related to this error message.
  Documentation: Review SAP documentation on MDG and business partner management for best practices and guidelines on handling locks and concurrent access.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or SAP support for further assistance.