How To Fix VN351 - Object type & is assigned to the header in application &

VN351 - Overview

• Message type: E = Error

• Message class: VN - Nachrichtensteuerung

• Message number: 351

• Message text: Object type & is assigned to the header in application &

What causes this issue?

You have entered a business object type (&V1&) consistent to the item in
the application document of application &V2&.

System Response

In system table T681Z a business object type is assigned to both the
header and the item of the application document of application &V2&.
You can enter any of the object types from the business object
repository, which have a key structure consistent with that of one of
the object types.

How to fix this error?

Make sure that the condition is related to an item in the application
document from application &V2&.

System Response

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

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

VN351 - Details

• Certainly! Here's a detailed explanation for the SAP error message VN351:
  
  SAP Error Message: VN351
  Message Text:
  Object type & is assigned to the header in application &
  
  1. Cause
  This error occurs when you try to assign or link an object type to a document header in a specific application, but the system detects that the object type is already assigned or the assignment is not allowed due to configuration or business rules.
  In SAP, object types represent business objects (like purchase orders, invoices, etc.), and they can be linked to document headers or items depending on the application. The error indicates a conflict or incorrect assignment of the object type at the header level.
  Typical scenarios include:
  
  Attempting to assign an object type to a header where it is already assigned.
  Trying to assign an object type that is not allowed for the given application or document type.
  Configuration inconsistency in the assignment of object types to document