How To Fix FC306 - First specify field check

SAP Error Message - Details

• Message type: E = Error

• Message class: FC - FI configuration error messages

• Message number: 306

• Message text: First specify field check

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message FC306 - First specify field check ?

  The SAP error message FC306 "First specify field check" typically occurs in the context of financial transactions, particularly when dealing with field checks in the Financial Accounting (FI) module. This error indicates that the system requires certain fields to be specified before proceeding with the transaction or operation.
  Cause:
  The error usually arises due to one of the following reasons:
  
  Missing Required Fields: Certain mandatory fields that are required for the transaction have not been filled in.
  Field Check Configuration: The system is configured to perform field checks, and the necessary fields have not been specified.
  Transaction Type: The transaction type being processed may require specific fields to be filled out that are currently empty.
  
  Solution:
  To resolve the FC306 error, you can take the following steps:
  
  
  Check Required Fields: Review the transaction you are trying to execute and ensure that all mandatory fields are filled in. This may include fields like account numbers, amounts, and other relevant data.
  
  
  Field Check Configuration: If you have access to configuration settings, check the field check settings in the relevant transaction. You may need to adjust the configuration to ensure that the necessary fields are being checked correctly.
  
  
  Review Transaction Type: Ensure that you are using the correct transaction type for the operation you are trying to perform. If the transaction type has specific requirements, make sure to meet those.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for the specific transaction you are working with. This can provide insights into what fields are required and how to properly fill them out.
  
  
  User Authorization: Ensure that you have the necessary authorizations to perform the transaction. Sometimes, lack of authorization can lead to incomplete data entry.
  
  
  Contact Support: If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with the transaction codes related to the financial operations you are performing (e.g., FB50 for general ledger postings).
  SAP Notes: Check SAP Notes for any known issues or patches related to the FC306 error.
  Field Status Groups: Understand how field status groups work in SAP FI, as they determine which fields are mandatory, optional, or suppressed during transactions.
  
  By following these steps, you should be able to identify and resolve the cause of the FC306 error in SAP.