How To Fix /ISDFPS/MSG_GAF_PE026 - End date is before the start date

SAP Error Message - Details

• Message type: E = Error

• Message class: /ISDFPS/MSG_GAF_PE -

• Message number: 026

• Message text: End date is before the start date

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 /ISDFPS/MSG_GAF_PE026 - End date is before the start date ?

  The SAP error message /ISDFPS/MSG_GAF_PE026 indicates that there is a problem with the date configuration in your system, specifically that the end date is set before the start date. This error typically occurs in scenarios involving planning, scheduling, or project management within SAP, particularly in the context of the SAP Integrated Business Planning (IBP) or similar modules.
  Cause:
  
  Incorrect Date Entry: The most common cause is that the user has entered an end date that is earlier than the start date in a planning or scheduling transaction.
  Data Migration Issues: If data has been migrated from another system, there may be inconsistencies in date formats or values.
  Configuration Errors: There may be issues in the configuration of the planning scenarios or project timelines that lead to this inconsistency.
  User Input Error: Users may inadvertently select the wrong dates due to a misunderstanding of the date fields.
  
  Solution:
  
  Check Date Entries: Review the start and end dates in the relevant transaction or planning scenario. Ensure that the end date is set to a date that is equal to or later than the start date.
  Correct Data: If the dates are incorrect, update them to reflect the correct timeline.
  Validation Rules: Implement validation rules in the system to prevent users from entering an end date that is before the start date in the future.
  Review Configuration: If the issue persists, review the configuration settings related to the planning or scheduling module to ensure that there are no underlying issues causing this error.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance related to the module you are working with.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Training: Provide training for users on how to correctly enter dates in the system to minimize input errors.
  System Logs: Review system logs for additional context or related errors that may provide further insight into the issue.
  Support: If the problem cannot be resolved internally, consider reaching out to SAP support for assistance.
  
  By addressing the root cause of the date inconsistency, you should be able to resolve the error and proceed with your planning or scheduling tasks in SAP.