How To Fix SZDM_LOCK345 - parameter &1 of &2: &3=&4

SAP Error Message - Details

• Message type: E = Error

• Message class: SZDM_LOCK - To be used for messages due to read only locks

• Message number: 345

• Message text: parameter &1 of &2: &3=&4

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SZDM_LOCK345 - parameter &1 of &2: &3=&4 ?

  The SAP error message SZDM_LOCK345 typically relates to issues with locking mechanisms in the SAP system, particularly in the context of data management or database operations. The message format indicates that there is a problem with a specific parameter of a certain object, which is causing a lock conflict.
  Cause:
  The error message SZDM_LOCK345 can occur due to several reasons, including:
  
  Lock Conflicts: Another transaction or user may be holding a lock on the object or parameter specified in the error message, preventing your transaction from proceeding.
  Long-Running Transactions: If a transaction takes too long to complete, it may hold locks longer than expected, leading to conflicts with other transactions.
  Deadlocks: Situations where two or more transactions are waiting for each other to release locks can also trigger this error.
  Configuration Issues: Incorrect configuration of locking parameters or settings in the SAP system can lead to unexpected locking behavior.
  
  Solution:
  To resolve the SZDM_LOCK345 error, you can take the following steps:
  
  Identify the Lock: Use transaction code SM12 to check for existing locks. You can filter by user or object to find the specific lock causing the issue.
  Release the Lock: If you identify a lock that is no longer needed, you can manually delete it from the lock table using SM12. Be cautious when doing this, as it may affect other users.
  Check for Long-Running Transactions: Use transaction code SM66 or SM50 to monitor active processes and identify any long-running transactions that may be holding locks.
  Review Application Logic: If the error occurs frequently, review the application logic to ensure that locks are being managed properly and that transactions are not holding locks longer than necessary.
  Increase Lock Timeout: If appropriate, consider increasing the lock timeout settings in the system configuration to allow for longer wait times before a lock conflict occurs.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM12 (for lock entries), SM50 (for process overview), and SM66 (for global process overview).
  SAP Documentation: Review SAP documentation related to locking mechanisms and transaction management for a deeper understanding of how locks work in SAP.
  Performance Monitoring: Regularly monitor system performance and locking behavior to proactively address potential issues before they lead to errors.
  
  If the problem persists after following these steps, it may be necessary to involve your SAP Basis team or consult SAP support for further assistance.