How To Fix /SAPAPO/PUIA_MESS166 - Start date for limited forecast change not entered

/SAPAPO/PUIA_MESS166 - Overview

• Message type: E = Error

• Message class: /SAPAPO/PUIA_MESS -

• Message number: 166

• Message text: Start date for limited forecast change not entered

Self-Explanatory Message

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/SAPAPO/PUIA_MESS166 - Details

• The SAP error message /SAPAPO/PUIA_MESS166 indicates that a start date for a limited forecast change has not been entered. This error typically occurs in the context of SAP Advanced Planning and Optimization (APO) when users attempt to make changes to forecast data but have not specified the necessary date parameters.
  
  Cause:
  The primary cause of this error is the absence of a start date when trying to create or modify a limited forecast change. The system requires a defined time frame to apply the changes, and without this information, it cannot proceed.
  
  Solution:
  To resolve this error, you should follow these steps:
  
  
  Check Input Fields: Ensure that you have filled in all required fields, particularly the start date for the forecast change. This is usually found in the forecast change screen or transaction.
  
  
  Enter Start Date: If the start date is missing, enter a valid date that indicates when the forecast change should begin. This date