How To Fix /SAPAPO/SNP126 - Production horizon of &1 day(s) for &2 at &3 is too large. Set it to 0

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/SNP -

• Message number: 126

• Message text: Production horizon of &1 day(s) for &2 at &3 is too large. Set it to 0

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/SNP126 - Production horizon of &1 day(s) for &2 at &3 is too large. Set it to 0 ?

  The SAP error message /SAPAPO/SNP126 indicates that the production horizon set for a specific product in the SAP Advanced Planning and Optimization (APO) system is too large. This error typically arises in the context of Supply Network Planning (SNP) when the production horizon exceeds the system's defined limits or is not appropriate for the planning scenario.
  Cause:
  
  Excessive Production Horizon: The production horizon defined for the product is greater than what is allowed or practical for the planning process.
  Configuration Issues: The settings in the planning book or the master data for the product may not be aligned with the expected production capabilities or planning requirements.
  Data Entry Errors: There may have been an error in data entry when setting the production horizon for the product.
  
  Solution:
  
  
  Adjust the Production Horizon:
  
  Navigate to the relevant planning book or product master data in SAP APO.
  Check the production horizon setting for the product in question.
  Reduce the production horizon to a more reasonable value, or set it to 0 if that is appropriate for your planning scenario.
  
  
  
  Review Configuration Settings:
  
  Ensure that the configuration settings for the planning area and product master data are correctly defined.
  Check if there are any specific limits set in the system regarding production horizons.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources for guidelines on setting production horizons and understanding the implications of different values.
  
  
  
  Testing:
  
  After making adjustments, run a test planning run to ensure that the error does not reoccur and that the planning results are as expected.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or updates regarding this error message.
  Transaction Codes: Familiarize yourself with transaction codes such as /SAPAPO/SDP94 (for planning book) or /SAPAPO/MAT1 (for product master) to access and modify the relevant settings.
  User Roles: Ensure that you have the necessary authorizations to make changes to the production horizon settings.
  
  By addressing the production horizon setting and ensuring it aligns with your planning requirements, you should be able to resolve the error message /SAPAPO/SNP126.