How To Fix /SAPAPO/AHT011 - End date precedes start date; correct the entry

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/AHT -

• Message number: 011

• Message text: End date precedes start date; correct the entry

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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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/AHT011 - End date precedes start date; correct the entry ?

  The SAP error message /SAPAPO/AHT011 End date precedes start date; correct the entry typically occurs in the Advanced Planning and Optimization (APO) module when there is an inconsistency in the date entries for a planning object, such as a production order, a planning version, or a similar entity. This error indicates that the end date you have entered is earlier than the start date, which is logically incorrect.
  Cause:
  
  Incorrect Date Entry: The most common cause is that the user has mistakenly entered an end date that is earlier than the start date.
  Data Migration Issues: If data has been migrated from another system, there may be inconsistencies in date formats or values.
  User Input Error: Manual data entry errors can lead to this issue, especially if the dates are entered in a hurry or without proper validation.
  System Configuration: In some cases, system settings or configurations may lead to unexpected behavior in date handling.
  
  Solution:
  
  Check Date Entries: Review the start and end dates you have entered. Ensure that the end date is later than the start date.
  Correct the Dates: If you find that the end date is indeed earlier than the start date, correct it to reflect the proper chronological order.
  Validation Rules: Implement validation rules in your data entry process to prevent this error from occurring in the future.
  Data Review: If this error arises from a data migration process, review the data for any inconsistencies and correct them as necessary.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on date handling in the APO module.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this issue or provide additional context.
  User Training: Ensure that users are trained on the importance of correct date entry and the implications of incorrect data.
  System Logs: Review system logs for any additional errors or warnings that may provide more context about the issue.
  APO Configuration: If the problem persists, consider reviewing the configuration settings in the APO module to ensure that they are set up correctly.
  
  By following these steps, you should be able to resolve the error and prevent it from occurring in the future.