How To Fix PP_SCH_PRODN021 - Simulation session is invalid. Unable to retrieve sourcing information.

PP_SCH_PRODN021 - Overview

• Message type: E = Error

• Message class: PP_SCH_PRODN -

• Message number: 021

• Message text: Simulation session is invalid. Unable to retrieve sourcing information.

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 PP_SCH_PRODN021 - Simulation session is invalid. Unable to retrieve sourcing information. ?

  The SAP error message PP_SCH_PRODN021 indicates that there is an issue with the simulation session in the Production Planning (PP) module. Specifically, it states that the simulation session is invalid and that the system is unable to retrieve sourcing information. This error can occur in various scenarios, particularly when working with production orders, planning runs, or simulations in the PP module.
  Causes:
  
  Session Expiration: The simulation session may have expired or been terminated unexpectedly.
  Data Inconsistency: There may be inconsistencies in the data related to the production order or planning run.
  
  Configuration Issues: Incorrect configuration settings in the PP module or related areas may lead to this error.
  Authorization Issues: The user may not have the necessary authorizations to access the simulation session or the related data.
  Technical Issues: There could be underlying technical issues, such as database connectivity problems or system performance issues.
  
  Solutions:
  
  Restart the Simulation: Try to restart the simulation session. This can often resolve