How To Fix /SAPAPO/AMON_ALERTS173 - Requirement planned before earliest start date

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/AMON_ALERTS -

• Message number: 173

• Message text: Requirement planned before earliest start date

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/AMON_ALERTS173 - Requirement planned before earliest start date ?

  The SAP error message /SAPAPO/AMON_ALERTS173 indicates that there is a requirement that has been planned before its earliest start date. This typically occurs in the context of Advanced Planning and Optimization (APO) within SAP, where the planning process is unable to schedule a requirement due to constraints related to its timing.
  Cause:
  
  Incorrect Planning Parameters: The planning parameters for the product or resource may not be set correctly, leading to scheduling conflicts.
  Master Data Issues: The master data for the product, such as the production version, lead times, or availability dates, may be incorrectly configured.
  Demand Management: The demand for the product may have been entered with dates that are not feasible based on the current planning setup.
  Resource Constraints: The resources required to fulfill the requirement may not be available during the planned time frame.
  
  Solution:
  
  Check Planning Parameters: Review the planning parameters for the product in question. Ensure that the earliest start date is set correctly and that the planning horizon is appropriate.
  Review Master Data: Verify the master data for the product, including:
  
  Production versions
  Lead times
  Availability dates
  Safety stock levels
  
  
  Adjust Demand Dates: If the demand has been entered incorrectly, adjust the dates to ensure they fall within the feasible planning window.
  Resource Availability: Check the availability of resources and ensure that they are scheduled correctly. If necessary, adjust the resource allocation or capacity planning.
  Re-run the Planning Run: After making the necessary adjustments, re-run the planning process to see if the issue is resolved.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like /SAPAPO/AMON to access alert monitoring and analyze the alerts further.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to this error message.
  Documentation: Refer to SAP documentation on APO and planning processes for more detailed guidance on configuration and troubleshooting.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it. If the issue persists, consider reaching out to your SAP support team for further assistance.