How To Fix VN018 - Enter output medium

VN018 - Overview

• Message type: E = Error

• Message class: VN - Nachrichtensteuerung

• Message number: 018

• Message text: Enter output medium

Self-Explanatory Message

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VN018 - Details

• SAP Error Message:
  VN018 - Enter output medium
  
  
  Cause:
  The error message VN018 occurs when the system requires you to specify an output medium for vendor-related communications (such as payment advices, remittance slips, or correspondence), but this information is missing or not maintained in the vendor master data or the relevant output determination procedure.
  In other words, SAP expects you to define how the output should be sent (e.g., print, email, fax, EDI), but this has not been specified.
  
  When does it occur?
  
  During vendor invoice processing or payment runs.
  When generating payment advice notes or remittance documents.
  When output determination for vendor communication is triggered but the output medium is not defined.
  
  
  
  Solution:
  
  
  Maintain Output Medium in Vendor Master:
  
  Go to transaction XK02 (Change Vendor) or FK02 (Change Vendor Accounting).
  Navigate to the Payment Transactions tab.
  Check the field Output Medium (usually under the "Payment Transactions" or "Correspondence" section).
  Enter the appropriate output medium, e.g.:
  1 = Print output
  2 = Fax
  3 = EDI
  4 =