How To Fix >4300 - Internal error: Incorrect call of FKK_FIND_SINGLE

SAP Error Message - Details

• Message type: E = Error

• Message class: >4 - SAP File Transfer Protocol

• Message number: 300

• Message text: Internal error: Incorrect call of FKK_FIND_SINGLE

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 >4300 - Internal error: Incorrect call of FKK_FIND_SINGLE ?

  The SAP error message "4300 Internal error: Incorrect call of FKK_FIND_SINGLE" typically indicates an issue related to the Financial Contract Management (FKK) module, particularly when the system is trying to find a single contract or account but encounters an unexpected situation.
  Cause:
  
  
  Incorrect Function Call: The error suggests that the function module FKK_FIND_SINGLE is being called incorrectly, which could be due to:
  
  Missing or incorrect parameters being passed to the function.
  The function being called in an inappropriate context or sequence.
  
  
  
  Data Integrity Issues: There may be inconsistencies or corruption in the underlying data that the function is trying to access.
  
  
  Configuration Issues: Incorrect configuration settings in the FKK module could lead to this error.
  
  
  System Bugs: There may be a bug in the SAP system or the specific version you are using.
  
  
  Solution:
  
  
  Check Function Call: Review the code or process that is calling FKK_FIND_SINGLE. Ensure that all required parameters are being passed correctly and that the function is being called in the right context.
  
  
  Data Consistency Check: Run data consistency checks in the FKK module to identify and resolve any data integrity issues. This may involve checking for missing or incorrect entries in the relevant tables.
  
  
  Review Configuration: Verify the configuration settings in the FKK module to ensure they are set up correctly. This may involve checking settings related to contract management, account determination, etc.
  
  
  SAP Notes and Support: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates available that resolve known issues.
  
  
  Debugging: If you have access to the development environment, consider debugging the function call to see what parameters are being passed and where the error occurs.
  
  
  Contact SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error, including the context in which it occurs and any relevant logs.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes in the FKK module, such as FKKINV (Invoice) or FKKOP (Account Management), which may help in troubleshooting.
  Documentation: Review SAP documentation related to the FKK module for insights into proper usage and common pitfalls.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the root cause of the error and implement an appropriate solution.