How To Fix FUCN_UI028 - You cannot select Vendor and Customer for G/L Entry View

SAP Error Message - Details

• Message type: E = Error

• Message class: FUCN_UI - Message class for fucn ui

• Message number: 028

• Message text: You cannot select Vendor and Customer for G/L Entry View

What causes this issue?

You want to save the assignment preferences. This is not possible
because you cannot select the <ZH>Vendor&Customer </>indicator for
the entry view G/L View.

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

System Response

How to fix this error?

Deselect the <ZH>Vendor&Customer</> checkbox and then save again.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FUCN_UI028 - You cannot select Vendor and Customer for G/L Entry View ?

  The SAP error message FUCN_UI028 ("You cannot select Vendor and Customer for G/L Entry View") typically occurs when you are trying to display or process a General Ledger (G/L) entry in a way that is not allowed by the system. This error indicates that you are attempting to select both a vendor and a customer in a G/L entry view, which is not permitted.
  Cause:
  
  Conflicting Data: In SAP, a G/L entry can either be related to a vendor (accounts payable) or a customer (accounts receivable), but not both at the same time. The system is designed to prevent this conflict to maintain data integrity.
  Incorrect Selection: The user may have inadvertently selected both a vendor and a customer in the selection criteria for the G/L entry view.
  
  Solution:
  
  Review Selection Criteria: Check the selection criteria you are using to display the G/L entries. Ensure that you are only selecting either a vendor or a customer, but not both.
  Adjust Filters: If you are using a report or transaction that allows filtering, make sure to adjust the filters to exclude one of the options (either vendor or customer).
  Consult Documentation: Refer to SAP documentation or help resources for the specific transaction you are using to understand the expected input parameters.
  User Training: If this is a recurring issue, consider providing training to users on how to properly use the G/L entry view and the implications of selecting vendors and customers.
  
  Related Information:
  
  Transaction Codes: This error may occur in various transaction codes related to G/L accounting, such as FBL1N (Vendor Line Item Display) or FBL5N (Customer Line Item Display).
  SAP Notes: Check SAP Notes for any updates or patches related to this error message, as there may be specific fixes or enhancements provided by SAP.
  System Configuration: In some cases, system configuration settings may affect how G/L entries are processed. Consult with your SAP Basis or configuration team if you suspect this might be the case.
  
  If the issue persists after following these steps, it may be beneficial to reach out to your SAP support team for further assistance.