How To Fix FMCA_ISR121 - Period key &1 unknown

SAP Error Message - Details

• Message type: E = Error

• Message class: FMCA_ISR - Form Handling

• Message number: 121

• Message text: Period key &1 unknown

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FMCA_ISR121 - Period key &1 unknown ?

  The SAP error message FMCA_ISR121, which states "Period key &1 unknown," typically occurs in the context of the Funds Management (FM) module when there is an issue with the period key being referenced in a transaction or configuration. The period key is used to define specific time periods for financial transactions, and if the system cannot recognize the period key, it will throw this error.
  Cause:
  
  Invalid Period Key: The period key specified in the transaction does not exist in the system.
  Configuration Issues: The period key may not have been properly configured in the system.
  Data Entry Error: There may be a typographical error in the period key entered by the user.
  Missing Customization: If the period key is part of a custom configuration, it may not have been set up correctly.
  
  Solution:
  
  Check the Period Key: Verify that the period key you are using is correct. You can do this by checking the configuration in the Funds Management module.
  Configuration Review: Go to the configuration settings for the period keys in the Funds Management module and ensure that the period key exists and is properly defined.
  
  You can access this through the following path: SPRO > Public Sector Management > Funds Management > Master Data > Define Period Keys.
  
  
  Correct Data Entry: If the period key was entered manually, double-check for any typographical errors.
  Consult Documentation: If the period key is part of a custom development, consult the documentation or the developer to ensure it has been set up correctly.
  Check Authorizations: Ensure that the user has the necessary authorizations to access the period key in question.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like FMAVCR01 (for budget availability control) or FMBB (for budget adjustments) to see if the error occurs in specific transactions.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search for the error message number in the SAP Support Portal.
  Debugging: If you have access to debugging tools, you can analyze the program flow to see where the error is being triggered.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant specializing in the Funds Management module for further assistance.