How To Fix /SAPAPO/RRP_CDOC028 - Start date or end date is incorrect

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/RRP_CDOC -

• Message number: 028

• Message text: Start date or end date is incorrect

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/RRP_CDOC028 - Start date or end date is incorrect ?

  The SAP error message /SAPAPO/RRP_CDOC028 indicates that there is an issue with the start date or end date in the context of a planning or scheduling operation in SAP Advanced Planning and Optimization (APO). This error typically arises when the dates provided do not meet the expected criteria or constraints set within the system.
  Causes:
  
  Invalid Date Format: The date may not be in the correct format expected by the system.
  Date Range Issues: The start date may be after the end date, or the dates may fall outside of the allowed planning horizon.
  Calendar Settings: The dates may not align with the defined working days or calendar settings in the system.
  Master Data Issues: There may be issues with the master data (e.g., product, location) that affect the validity of the dates.
  Planning Version: The planning version being used may have restrictions or settings that invalidate the provided dates.
  
  Solutions:
  
  Check Date Format: Ensure that the dates are entered in the correct format as required by the system.
  Validate Date Range: Confirm that the start date is before the end date and that both dates fall within the allowed planning horizon.
  Review Calendar Settings: Check the calendar settings in the system to ensure that the dates align with the defined working days.
  Examine Master Data: Verify that the relevant master data is correctly set up and does not have any inconsistencies that could affect date validity.
  Adjust Planning Version: If applicable, check the settings of the planning version being used and adjust the dates accordingly.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like /SAPAPO/RRP3 (for planning board) or /SAPAPO/SDP94 (for demand planning) to analyze the planning data and identify issues.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide additional guidance related to this error message.
  Documentation: Refer to the SAP APO documentation for detailed information on date handling and planning processes.
  
  If the issue persists after checking the above points, it may be beneficial to consult with your SAP support team or refer to SAP community forums for further assistance.