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

FKK_BRF010 - Overview

• 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

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

FKK_BRF010 - Details

• 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