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

SAP Error Message - Details

• 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 ? Logistics ? Materials Management ? Purchasing ? Messages ? Output Control).
  Select the application area (e.g., EF for Purchasing Documents, V3 for Billing Documents).
  Choose the output type that is causing the error.
  
  
  
  Verify Medium and Processing Program:
  
  Within the output type, check the Medium (e.g., 1 = Print, 5 = EDI, 6 = Email).
  Ensure that a Processing Program and Form Routine (or Smart Form / Adobe Form) are assigned for the medium.
  If missing, assign the correct processing program and form routine.
  
  
  
  Assign or Correct Processing Program:
  
  If you do not know the correct processing program, check standard SAP documentation or consult with your functional consultant.
  For example, for billing output type RD00 (Invoice), the processing program might be SAPLV60A and the form routine INVOICE.
  
  
  
  Transport Changes:
  
  After making changes, transport them to the relevant systems (Quality, Production).
  
  
  
  Test Output:
  
  Re-run the output processing to verify that the error is resolved.
  
  
  
  
  Additional Information:
  
  This error is common when customizing output determination or when new output types or media are introduced without proper configuration.
  Sometimes, the error can also occur if the output type is copied from a standard one but the processing program is not updated accordingly.
  For EDI or IDoc outputs, ensure that the partner profiles and message types are correctly configured.
  Check OSS notes or SAP Help Portal for specific output types if standard processing programs are unclear.
  
  
  Summary:
  
  
  
  Aspect
  Details
  
  
  
  
  Error Message
  VN020 Processing program missing for output & (medium &)
  
  
  Cause
  Missing or incorrect processing program assignment for output type and medium
  
  
  Solution
  Assign correct processing program and form routine in output type configuration (NACE)
  
  
  Transaction to Check
  NACE (Output Types)
  
  
  Related Areas
  Output determination, message control, printing, EDI
  
  
  
  
  If you need help identifying the correct processing program or form routine, please provide the application area, output type, and medium, and I can assist further.