How To Fix /STTPEC/MC_MD136 - GTIN &1 could not be locked

SAP Error Message - Details

• Message type: E = Error

• Message class: /STTPEC/MC_MD -

• Message number: 136

• Message text: GTIN &1 could not be locked

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /STTPEC/MC_MD136 - GTIN &1 could not be locked ?

  The SAP error message /STTPEC/MC_MD136 GTIN &1 could not be locked typically occurs in the context of material management and inventory management processes, particularly when dealing with Global Trade Item Numbers (GTINs). This error indicates that the system is unable to lock the specified GTIN for processing, which can prevent certain operations from being completed.
  Causes:
  
  Concurrent Access: Another user or process may be currently accessing or modifying the GTIN, leading to a lock conflict.
  Database Lock: The GTIN might be locked at the database level due to a previous transaction that has not been completed or has failed.
  System Configuration: There may be configuration issues in the system that affect how locks are managed for GTINs.
  Long-running Transactions: If a transaction is taking too long to complete, it may hold locks longer than expected, causing other processes to fail.
  
  Solutions:
  
  Check for Active Sessions: Use transaction codes like SM12 to check for active locks on the GTIN. If you find a lock that is no longer needed, you can delete it (if you have the necessary authorizations).
  Wait and Retry: If the lock is due to another user or process, waiting for a short period and then retrying the operation may resolve the issue.
  Review Long-running Transactions: Identify any long-running transactions that may be holding locks and address them accordingly.
  System Configuration Review: Consult with your SAP Basis team to review the system configuration related to locking mechanisms and ensure they are set up correctly.
  Error Logs: Check the application logs (transaction SLG1) for any additional error messages or information that may provide more context about the issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12 (to view and manage locks), SM21 (system log), and SLG1 (application log).
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address known issues or provide patches related to this error.
  Documentation: Review SAP documentation related to GTIN management and locking mechanisms to understand how they work and best practices for avoiding lock conflicts.
  
  If the issue persists after trying the above solutions, it may be necessary to involve your SAP support team or consult with SAP directly for further assistance.