How To Fix /SAPAPO/PUIA_MESS156 - Maintain a reason for the fixed demand

/SAPAPO/PUIA_MESS156 - Overview

• Message type: E = Error

• Message class: /SAPAPO/PUIA_MESS -

• Message number: 156

• Message text: Maintain a reason for the fixed demand

Self-Explanatory Message

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/SAPAPO/PUIA_MESS156 - Details

• The SAP error message /SAPAPO/PUIA_MESS156 indicates that a reason for fixed demand needs to be maintained in the system. This error typically occurs in the context of SAP Advanced Planning and Optimization (APO) when you are trying to create or modify fixed demand in the system without specifying a reason for that demand.
  
  Cause:
  The error is triggered because the system requires a reason code to be associated with fixed demand entries. This is a part of the data integrity checks in SAP APO to ensure that all fixed demands are justified and traceable.
  
  Solution:
  To resolve this error, you need to maintain a reason for the fixed demand. Here are the steps you can follow:
  
  
  Access the Fixed Demand Maintenance Screen:
  
  Go to the relevant transaction in SAP APO where you are trying to maintain fixed demand (e.g., /SAPAPO/SDP94 for the Demand Planning or /SAPAPO/SDP96 for the Demand Management).
  
  
  
  Select the Fixed Demand Entry:
  
  Locate the fixed