How To Fix FKK_ID_JP021 - Fixed day must be specified when type 'Fixed Day' is selected

FKK_ID_JP021 - Overview

• Message type: E = Error

• Message class: FKK_ID_JP - FICA Japan

• Message number: 021

• Message text: Fixed day must be specified when type 'Fixed Day' is selected

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_ID_JP021 - Details

• The SAP error message FKK_ID_JP021 indicates that when you are trying to create or process a billing document or a payment plan in the SAP system, and you have selected the "Fixed Day" option, you must specify a fixed day. This error typically occurs in the context of contract accounts receivable and payable (FI-CA) when dealing with payment plans or billing cycles.
  
  Cause:
  The error arises because the system requires a specific day of the month to be defined when the "Fixed Day" option is selected. This is necessary for the system to know when to execute the billing or payment process. If this day is not provided, the system cannot proceed, resulting in the error message.
  
  Solution:
  To resolve this error, you need to specify a fixed day in the relevant configuration or transaction. Here are the steps you can take:
  
  
  Check the Configuration:
  
  Go to the configuration settings for the payment plan or billing