How To Fix PR401 - Constant model set

PR401 - Overview

• Message type: E = Error

• Message class: PR - Forecast: Help messages

• Message number: 401

• Message text: Constant model set

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 PR401 - Constant model set ?

  The SAP error message PR401, which states "Constant model set," typically occurs in the context of SAP's Product Lifecycle Management (PLM) or similar modules where model sets are used for planning or configuration purposes. This error indicates that there is an issue with the configuration or setup of a model set that is expected to be constant but is not being recognized as such.
  Causes:
  
  Incorrect Configuration: The model set may not be properly configured in the system, leading to inconsistencies.
  Missing Data: Required data or parameters for the model set may be missing or incorrectly defined.
  Version Issues: There may be discrepancies between different versions of the model set or related components.
  Authorization Issues: The user may not have the necessary permissions to access or modify the model set.
  System Bugs: There could be bugs or issues in the SAP system that are causing the error.
  
  Solutions:
  
  Check Configuration: Review the configuration of the model set in