How To Fix /SAPAPO/OO_TR302 - End date must not be prior to start date

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/OO_TR -

• Message number: 302

• Message text: End date must not be prior to start date

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/OO_TR302 - End date must not be prior to start date ?

  The SAP error message /SAPAPO/OO_TR302 indicates that there is an issue with the dates specified in a transaction or planning object within the SAP Advanced Planning and Optimization (APO) module. Specifically, the error states that the end date must not be prior to the start date. This typically occurs in scenarios involving planning, scheduling, or resource allocation where date ranges are defined.
  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 transaction or master data.
  Data Migration Issues: If data has been migrated from another system, there may be inconsistencies in date formats or values.
  System Configuration: There may be configuration settings that enforce date validation rules, leading to this error if not adhered to.
  
  Solution:
  
  Check Date Inputs: Review the start and end dates entered in the transaction. Ensure that the end date is set to a date that is equal to or later than the start date.
  Correct Data Entry: If the dates are incorrect, modify them accordingly and save the transaction again.
  Validation Rules: If this error occurs frequently, check if there are any validation rules or settings in the system that might be causing this issue. Adjust them if necessary.
  Data Consistency: If the error arises from migrated data, perform a data consistency check and correct any discrepancies in the date fields.
  User Training: Ensure that users are trained on the correct procedures for entering dates in the system to avoid this error in the future.
  
  Related Information:
  
  Transaction Codes: This error can occur in various transaction codes related to planning, such as /SAPAPO/ORDER, /SAPAPO/DS, or others where date ranges are specified.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context or fixes.
  Documentation: Refer to the SAP APO documentation for guidelines on date handling and best practices for planning transactions.
  Support: If the issue persists after checking the above points, consider reaching out to SAP support for further assistance.
  
  By following these steps, you should be able to resolve the error and ensure that date entries are valid in your SAP APO transactions.