How To Fix CY854 - Start of period before start of planning period.

SAP Error Message - Details

• Message type: E = Error

• Message class: CY - Capacity Requirements Planning

• Message number: 854

• Message text: Start of period before start of planning period.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CY854 - Start of period before start of planning period. ?

  The SAP error message CY854: Start of period before start of planning period typically occurs in the context of planning and budgeting within SAP, particularly in modules like SAP Controlling (CO) or SAP Integrated Business Planning (IBP). This error indicates that the period you are trying to start planning for is earlier than the defined planning period in the system.
  Cause:
  
  Incorrect Period Selection: The user is attempting to initiate planning or execute a transaction for a period that is not within the defined planning horizon.
  Planning Period Configuration: The planning period settings in the system may not be correctly configured, leading to discrepancies between the selected period and the allowed planning periods.
  Master Data Issues: There may be issues with the master data that define the planning periods, such as fiscal year settings or planning versions.
  
  Solution:
  
  
  Check Planning Period Settings:
  
  Navigate to the configuration settings for planning periods in your SAP system.
  Ensure that the planning period is correctly defined and that the start date of the planning period encompasses the period you are trying to access.
  
  
  
  Adjust the Period:
  
  If you are trying to plan for a specific period, ensure that it falls within the defined planning horizon. Adjust your selection to a valid period.
  
  
  
  Review Master Data:
  
  Check the master data related to the planning version and fiscal year settings. Ensure that they are correctly set up to allow planning for the desired periods.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific configuration steps related to planning periods in your version of SAP.
  
  
  
  User Authorization:
  
  Ensure that you have the necessary authorizations to access the planning periods. Sometimes, restrictions can lead to errors.
  
  
  
  Contact Support:
  
  If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as KP06 (Cost Center Planning) or CPI1 (Cost Center Planning: Input) where this error might occur.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Training and Documentation: Review training materials or documentation related to planning processes in SAP to better understand how planning periods are managed.
  
  By following these steps, you should be able to resolve the CY854 error and successfully proceed with your planning activities in SAP.