How To Fix FMCA1601 - Start of calculation period is after end of calculation period

SAP Error Message - Details

• Message type: E = Error

• Message class: FMCA1 - IS-PS-CA: Messages about Contract A/R & A/P

• Message number: 601

• Message text: Start of calculation period is after end of calculation period

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FMCA1601 - Start of calculation period is after end of calculation period ?

  The SAP error message FMCA1601, which states "Start of calculation period is after end of calculation period," typically occurs in the context of financial management, particularly when dealing with budgetary control or funds management. This error indicates that the system has detected an inconsistency in the date range specified for a calculation period, where the start date is later than the end date.
  Cause:
  
  Incorrect Date Entry: The most common cause is that the user has entered the start date of a calculation period incorrectly, making it later than the end date.
  Configuration Issues: There may be issues in the configuration of the fiscal year variant or the settings related to the budget or funds management.
  Data Migration Issues: If data has been migrated from another system, there may be inconsistencies in the date formats or values.
  User Input Error: Users may inadvertently select the wrong dates when setting up or modifying a budget or calculation period.
  
  Solution:
  
  Check Date Entries: Review the dates entered for the calculation period. Ensure that the start date is earlier than the end date.
  Adjust Configuration: If the error is due to configuration settings, consult with your SAP administrator or functional consultant to review and adjust the fiscal year variant or related settings.
  Data Validation: If data migration is involved, validate the data to ensure that all date fields are correctly populated and formatted.
  User Training: Provide training or guidelines for users to ensure they understand how to correctly enter dates in the system.
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may be using transaction codes like FMBB (Budgeting) or FMAVC (Availability Control) when encountering this error.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Documentation: Refer to SAP documentation on Funds Management and Budgeting for detailed information on how to manage calculation periods and fiscal year settings.
  
  If the issue persists after checking the above points, it may be beneficial to consult with your SAP support team or reach out to SAP support for further assistance.