How To Fix /PLMU/PPE_ENG_UI121 - Deactivation of simulation failed

/PLMU/PPE_ENG_UI121 - Overview

• Message type: E = Error

• Message class: /PLMU/PPE_ENG_UI -

• Message number: 121

• Message text: Deactivation of simulation failed

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 /PLMU/PPE_ENG_UI121 - Deactivation of simulation failed ?

  The SAP error message /PLMU/PPE_ENG_UI121 Deactivation of simulation failed typically occurs in the context of the SAP Production Planning and Execution (PPE) module, particularly when dealing with simulations in the planning environment. This error can arise due to various reasons, and understanding the cause is essential for finding a solution.
  Possible Causes:
  
  
  Data Inconsistencies: There may be inconsistencies in the data that the simulation is trying to process. This could include missing or incorrect master data, such as material master records or production resources.
  
  
  Locking Issues: The system might be experiencing locking issues where another user or process is holding a lock on the data that the simulation is trying to deactivate.
  
  
  Authorization Issues: The user may not have the necessary authorizations to deactivate the simulation.
  
  
  Technical Errors: There could be underlying technical issues, such as problems with the database or application server.
  
  
  
  Configuration Issues: Incorrect configuration settings in the PPE module could lead to this