How To Fix /SAPAPO/PE157 - No trigger set for products of selection

/SAPAPO/PE157 - Overview

• Message type: E = Error

• Message class: /SAPAPO/PE -

• Message number: 157

• Message text: No trigger set for products of selection

Self-Explanatory Message

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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.

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/SAPAPO/PE157 - Details

• The SAP error message /SAPAPO/PE157 No trigger set for products of selection typically occurs in the context of SAP Advanced Planning and Optimization (APO) when there is an attempt to execute a planning function or process that requires a trigger, but no trigger has been defined for the selected products.
  
  Cause:
  
  Missing Trigger Configuration: The most common cause of this error is that the products you are trying to process do not have a trigger set up in the system. Triggers are necessary for certain planning functions to know when to execute.
  Selection Criteria: The selection criteria used to select products may not match any products that have triggers defined.
  Product Master Data: The product master data may not be properly maintained, leading to the absence of triggers.
  Planning Area Settings: The planning area may not be configured correctly to include the necessary triggers for the products.
  
  
  Solution:
  
  
  Check Trigger Configuration:
  
  Go to the transaction code /SAPAPO/MC62 (or