How To Fix FKK_BRF010 - There is already a period key with the same predecessor period

SAP Error Message - Details

• Message type: E = Error

• Message class: FKK_BRF - BRF in FICA

• Message number: 010

• Message text: There is already a period key with the same predecessor period

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FKK_BRF010 - There is already a period key with the same predecessor period ?

  The SAP error message FKK_BRF010 indicates that there is an attempt to create or modify a period key in the contract accounts receivable and payable (FI-CA) module, but a period key with the same predecessor period already exists. This typically occurs when you are trying to define a new period key that overlaps with an existing one.
  Cause:
  The error is caused by the following scenarios:
  
  Duplicate Period Key: You are trying to create a new period key that has the same predecessor period as an existing period key.
  Incorrect Configuration: There may be a configuration issue where the period keys are not set up correctly, leading to conflicts.
  Data Entry Error: A user may have mistakenly entered the same predecessor period for different period keys.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Existing Period Keys:
  
  Go to the configuration settings for period keys in the FI-CA module.
  Review the existing period keys to identify any that have the same predecessor period as the one you are trying to create.
  
  
  
  Modify or Delete Conflicting Period Key:
  
  If you find a conflicting period key, you can either modify it to change its predecessor period or delete it if it is no longer needed.
  
  
  
  Create a Unique Period Key:
  
  When creating a new period key, ensure that the predecessor period is unique and does not conflict with any existing period keys.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for detailed guidance on managing period keys in FI-CA.
  
  
  
  Check for Customizations:
  
  If your SAP system has custom developments or enhancements, check if they might be affecting the period key creation process.
  
  
  
  Contact SAP Support:
  
  If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance.
  
  
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like OB52 (for managing posting periods) or FQEVENT (for managing event-driven processing) to check and manage period keys.
  FI-CA Configuration: Understanding the configuration settings in the FI-CA module can help prevent such errors in the future.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  
  By following these steps, you should be able to resolve the FKK_BRF010 error and successfully manage your period keys in SAP.