How To Fix FKK_EBS123 - The external doc. no. &1 is too long to be used as an internal doc. no.

SAP Error Message - Details

• Message type: E = Error

• Message class: FKK_EBS - Interface between FI-CA and External Billing System

• Message number: 123

• Message text: The external doc. no. &1 is too long to be used as an internal doc. no.

What causes this issue?

When the document number issued by an external system is transferred to
the internal system, the length of the number is limited.

System Response

The system cannot accept the transferred external document number as the
document number for Contract Accounts Receivable and Payable.

How to fix this error?

Note the limitation of number length in the data element
<DS:DE.OPBEL_KK>Number of a Contract Accounts Rec. and Pay. Document</>.
Alternatively, you can make settings for how internal document numbers
are issued in Customizing for the interface.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FKK_EBS123 - The external doc. no. &1 is too long to be used as an internal doc. no. ?

  The SAP error message FKK_EBS123 indicates that the external document number provided is too long to be used as an internal document number in the SAP system. This typically occurs in the context of electronic bank statement processing or when dealing with external documents in the Financial Accounting (FI) module.
  Cause:
  The error is caused by the external document number exceeding the maximum length allowed by the system for internal document numbers. In SAP, there are specific field length restrictions for various document types, and if the external document number surpasses these limits, the system will trigger this error.
  Solution:
  To resolve this error, you can consider the following approaches:
  
  
  Check Configuration Settings:
  
  Review the configuration settings for document number lengths in the SAP system. You can check the settings in the transaction code OBB2 (for document types) or OBD2 (for external document numbers) to ensure that the lengths are set appropriately.
  
  
  
  Shorten the External Document Number:
  
  If possible, modify the external document number to fit within the allowed length. This may involve truncating the number or using a different format that complies with the length restrictions.
  
  
  
  Custom Logic:
  
  If the external document number is generated by an external system, consider implementing custom logic to ensure that the number is formatted correctly before it is sent to SAP.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to electronic bank statements and document number handling for any specific guidelines or recommendations.
  
  
  
  SAP Notes:
  
  Check for any relevant SAP Notes that may address this issue. Sometimes, SAP releases notes that provide fixes or workarounds for specific error messages.
  
  
  
  Contact SAP Support:
  
  If the issue persists and you cannot find a suitable solution, consider reaching out to SAP support for assistance. They may provide insights based on the specific version of SAP you are using.
  
  
  
  Related Information:
  
  Field Lengths: The maximum length for document numbers can vary based on the configuration and the specific document type. Typically, the length is defined in the system settings.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as FB50 (for general ledger postings) and FF67 (for manual bank statement processing) to understand how document numbers are handled in different contexts.
  Testing: After making changes, ensure to test the process thoroughly to confirm that the error no longer occurs and that the system behaves as expected.
  
  By following these steps, you should be able to address the FKK_EBS123 error effectively.