How To Fix /PLMI/PPEENG160 - Lock of &1 &2 reset to shared mode

/PLMI/PPEENG160 - Overview

• Message type: E = Error

• Message class: /PLMI/PPEENG -

• Message number: 160

• Message text: Lock of &1 &2 reset to shared mode

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 /PLMI/PPEENG160 - Lock of &1 &2 reset to shared mode ?

  The SAP error message /PLMI/PPEENG160 Lock of &1 &2 reset to shared mode typically occurs in the context of the SAP Production Planning and Detailed Scheduling (PP/DS) module. This message indicates that a lock on a specific object (like a production order, planning object, etc.) has been reset from exclusive mode to shared mode. This can happen due to various reasons, including concurrent access by multiple users or processes.
  Causes:
  
  Concurrent Access: Multiple users or processes are trying to access the same object simultaneously, leading to a conflict in lock modes.
  Long-Running Transactions: If a transaction takes too long to complete, it may cause other transactions to wait, leading to a reset of the lock mode.
  System Configuration: Certain configurations in the SAP system may lead to this behavior, especially if the locking mechanism is not properly set up.
  Database Issues: Problems with the underlying database can also lead to unexpected behavior in lock management.
  
  Solutions:
  
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