How To Fix /SAPAPO/PDEM420 - Condense PSM service is not enabled by user parameter

/SAPAPO/PDEM420 - Overview

• Message type: E = Error

• Message class: /SAPAPO/PDEM -

• Message number: 420

• Message text: Condense PSM service is not enabled by user parameter

Self-Explanatory Message

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/SAPAPO/PDEM420 - Details

• The SAP error message /SAPAPO/PDEM420 Condense PSM service is not enabled by user parameter typically occurs in the context of SAP Advanced Planning and Optimization (APO) when a user attempts to execute a function that requires the Condense PSM (Product Supply Management) service, but this service is not enabled for the user.
  
  Cause:
  The error is caused by the user parameter settings in the SAP system. Specifically, the user does not have the necessary parameter set to enable the Condense PSM service. This can happen if:
  
  The user has not been assigned the appropriate user parameters.
  The user parameter for enabling the Condense PSM service is missing or incorrectly configured.
  
  
  Solution:
  To resolve this issue, you need to enable the Condense PSM service for the user. Here are the steps to do this:
  
  
  Check User Parameters:
  
  Go to transaction code SU01 (User Maintenance).
  Enter the user ID that is encountering the error and click on the "Parameters" tab.
  Look for