How To Fix VN020 - Processing program missing for output & (medium &)

VN020 - Overview

• Message type: E = Error

• Message class: VN - Nachrichtensteuerung

• Message number: 020

• Message text: Processing program missing for output & (medium &)

What causes this issue?

No processing program is defined in table TNAPR for output type &v1&
(transmission medium &v2&) in application &v3&.

System Response

This output cannot be entered.

How to fix this error?

In Customizing, enter a processing program for output type &v1& and
transmission medium &v2&.

Error message extract from SAP system. Copyright SAP SE.

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• What is the cause and solution for SAP error message VN020 - Processing program missing for output & (medium &) ?

  SAP Error Message:
  VN020 - Processing program missing for output & (medium &)
  
  
  Cause:
  This error occurs when the system tries to process an output message (such as an invoice, purchase order, or payment advice), but the processing program required to handle the output for the specified output type and medium is not assigned or missing in the configuration.
  In other words, the output determination is set up, but the system cannot find the program that should process the output for the given output type and medium (e.g., print, email, EDI).
  
  Explanation:
  
  Output Type: Defines the kind of output (e.g., invoice, order confirmation).
  Medium: Defines how the output is sent (e.g., print, email, fax).
  Processing Program: The ABAP program that formats and processes the output message.
  
  If the processing program is not assigned or incorrectly maintained in the output determination configuration, the system cannot generate the output, resulting in this error.
  
  
  Solution:
  
  
  Check Output Type Configuration:
  
  Go to transaction NACE (or SPRO