How To Fix /SAPAPO/PPO_OPT146 - Start Date cannot be in the past

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/PPO_OPT -

• Message number: 146

• Message text: Start Date cannot be in the past

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/PPO_OPT146 - Start Date cannot be in the past ?

  The SAP error message /SAPAPO/PPO_OPT146 Start Date cannot be in the past typically occurs in the context of SAP Advanced Planning and Optimization (APO) when a user attempts to create or modify a planning object (like a production order, purchase order, or similar) with a start date that is earlier than the current date. This is a validation check to ensure that planning activities are set for future dates, as past dates may not be relevant or valid for planning purposes.
  Cause:
  
  Incorrect Date Entry: The user may have mistakenly entered a start date that is in the past.
  System Date Misconfiguration: The system date on the server or client may be incorrectly set to a future date, leading to confusion.
  Data Migration Issues: If data has been migrated from another system, it may contain past dates that are not valid in the current planning context.
  
  Solution:
  
  Check and Correct the Date: Review the start date you are trying to enter and ensure it is set to a future date. Update the date accordingly.
  Verify System Date: Check the system date on the server and client machines to ensure they are set correctly. If there is a discrepancy, correct it.
  Review Planning Parameters: If applicable, review the planning parameters and settings to ensure they align with your business processes and do not inadvertently restrict valid date ranges.
  Consult Documentation: If you are unsure about the date requirements for a specific transaction, refer to the relevant SAP documentation or help resources for guidance.
  Error Handling in Custom Programs: If this error arises from a custom program or enhancement, review the logic to ensure it correctly handles date validations.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Transaction Codes: Familiarize yourself with relevant transaction codes in SAP APO that may be related to planning and scheduling, such as /SAPAPO/SDP94 for demand planning or /SAPAPO/PPDS for production planning and detailed scheduling.
  User Training: Ensure that users are trained on the importance of entering valid dates and understanding the implications of planning with past dates.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a technical consultant for further investigation.