How To Fix PPH_DD123 - Enter horizon days in past for Product &1 Plant &2 MRP Area &3

SAP Error Message - Details

• Message type: E = Error

• Message class: PPH_DD - Messages for Demand Driven

• Message number: 123

• Message text: Enter horizon days in past for Product &1 Plant &2 MRP Area &3

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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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Smart SAP Assistant

• What is the cause and solution for SAP error message PPH_DD123 - Enter horizon days in past for Product &1 Plant &2 MRP Area &3 ?

  The SAP error message PPH_DD123 indicates that there is an issue with the configuration of the planning horizon for a specific product in a given plant and MRP area. This error typically arises when the system expects a certain number of days to be defined for the planning horizon, but the input provided does not meet the required criteria.
  Cause:
  
  Incorrect Configuration: The planning horizon for the product in the specified plant and MRP area may not be set correctly. This could mean that the horizon days are either not defined or are set to a value that is not acceptable (e.g., a negative number).
  Data Entry Error: The user may have entered an invalid value (like a negative number) for the horizon days during the planning setup.
  Master Data Issues: There may be issues with the master data of the product, plant, or MRP area that need to be addressed.
  
  Solution:
  
  
  Check Planning Horizon Settings:
  
  Navigate to the relevant configuration settings in SAP for the product, plant, and MRP area.
  Ensure that the planning horizon is set correctly and that it is a positive integer. You can typically find this in the MRP settings for the material.
  
  
  
  Adjust the Input:
  
  If you are entering the horizon days manually, ensure that you are entering a valid positive number. 
  
  
  
  Review Master Data:
  
  Check the material master data for the product in the specified plant and MRP area. Ensure that all relevant fields are filled out correctly and that there are no inconsistencies.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance on setting up planning horizons and MRP areas.
  
  
  
  Contact Support:
  
  If the issue persists after checking the above, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  
  
  Related Information:
  
  MRP Area: This is a specific area within a plant where materials are planned. Each MRP area can have its own planning parameters.
  Material Master: This is a central repository of information about materials in SAP, which includes data relevant for MRP.
  Planning Horizon: This refers to the time frame within which the MRP system plans for materials. It is crucial for ensuring that materials are available when needed.
  
  By addressing the configuration and ensuring that the input values are correct, you should be able to resolve the error message PPH_DD123.