How To Fix FKK_ID_AR101 - Could not determine account class of the contract account

SAP Error Message - Details

• Message type: E = Error

• Message class: FKK_ID_AR - ARGENTINA: Legal report message class

• Message number: 101

• Message text: Could not determine account class of the contract account

What causes this issue?

The system uses the account class of the contract account to determine
the relevant tariff category, which is a required entry in the file
submitted to the authorities. The account class is mapped to the tariff
category in Customizing.
You do not have the account class field in your invoices, because you
have not installed or activated the IS-U component. The system therefore
cannot determine the account class.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

The system does not generate the file.

How to fix this error?

To generate the file, you must activate the IS-U component.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FKK_ID_AR101 - Could not determine account class of the contract account ?

  The SAP error message FKK_ID_AR101 ("Could not determine account class of the contract account") typically occurs in the context of contract accounts in the SAP Convergent Charging or Contract Accounts Receivable and Payable (FI-CA) module. This error indicates that the system is unable to determine the account class for a specific contract account, which is necessary for processing transactions related to that account.
  Causes:
  
  Missing Configuration: The account class for the contract account may not be configured in the system. This can happen if the necessary settings in the customizing (SPRO) are not completed.
  Incorrect Account Assignment: The contract account may not be assigned to the correct account class, or the account class may not be defined for the specific type of contract account.
  Data Inconsistencies: There may be inconsistencies or missing data in the contract account master data that prevent the system from determining the account class.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access the account class information.
  
  Solutions:
  
  
  Check Configuration:
  
  Go to the SAP Customizing Implementation Guide (SPRO) and navigate to the relevant settings for Contract Accounts Receivable and Payable.
  Ensure that the account classes are properly defined and that the necessary configurations are in place.
  
  
  
  Review Contract Account Master Data:
  
  Check the master data of the contract account in question. Ensure that it is correctly set up and that all required fields are filled out.
  Verify that the account class is assigned to the contract account.
  
  
  
  Check Account Class Assignment:
  
  Ensure that the account class is correctly assigned to the contract account type you are working with. This can be done in the configuration settings.
  
  
  
  Authorization Check:
  
  Ensure that the user has the necessary authorizations to view and manage contract accounts and their associated account classes.
  
  
  
  Debugging:
  
  If the issue persists, consider debugging the process to identify where the determination of the account class is failing. This may require technical expertise.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to this error message for any specific guidance or updates that may address the issue.
  
  
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like FP03 (Display Contract Account) or FP02 (Change Contract Account) to review the contract account details.
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or patches related to this error.
  Support: If the issue cannot be resolved internally, consider reaching out to SAP support for assistance.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.