How To Fix FKK_RKSV002 - Internal error: Method &1 in class &2 could not be called up

SAP Error Message - Details

• Message type: E = Error

• Message class: FKK_RKSV - FI-CA: Cash Register Duty

• Message number: 002

• Message text: Internal error: Method &1 in class &2 could not be called up

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 FKK_RKSV002 - Internal error: Method &1 in class &2 could not be called up ?

  The SAP error message FKK_RKSV002 indicates an internal error where a method in a specified class could not be called up. This error typically arises in the context of SAP's Contract Accounts Receivable and Payable (FI-CA) module, particularly when dealing with functions related to billing, payments, or account management.
  Causes:
  
  Coding Issues: There may be a problem in the ABAP code where the method is defined or called. This could be due to a missing implementation, incorrect parameters, or a typo in the method name.
  
  Configuration Issues: Incorrect configuration settings in the FI-CA module can lead to this error, especially if certain settings are not aligned with the expected behavior of the system.
  Data Issues: Inconsistent or corrupted data in the database can also trigger this error, particularly if the method relies on specific data that is missing or malformed.
  System Bugs: There may be bugs in the SAP system or specific patches that have