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

SAP Error Message - Details

• 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message VN351 - Object type & is assigned to the header in application & ?

  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 headers in the customizing settings.
  
  
  2. Solution
  To resolve the VN351 error, follow these steps:
  
  
  Check the Object Type Assignment:
  
  Verify which object types are assigned to the document header in the relevant application.
  Use transaction codes like SPRO to navigate to the customizing path for the application and check the object type assignments.
  
  
  
  Review Customizing Settings:
  
  Go to SPRO ? Logistics Invoice Verification ? Incoming Invoice ? Define Object Types for Document Header (or the relevant path depending on the module).
  Ensure that the object type you are trying to assign is correctly configured and not duplicated.
  
  
  
  Check for Duplicate Assignments:
  
  If the object type is already assigned to the header, avoid reassigning it.
  Remove any duplicate or conflicting assignments.
  
  
  
  Verify Application and Document Type Compatibility:
  
  Confirm that the object type is valid for the application and document type you are working with.
  Adjust the configuration if necessary.
  
  
  
  Debugging (if needed):
  
  If the issue persists, debugging the program or user-exit where the assignment happens can help identify why the system throws this error.
  
  
  
  
  3. Related Information
  
  
  Object Types in SAP:
  
  Object types are identifiers for business objects in SAP (e.g., BUS2032 for Purchase Order). They are used in workflows, document management, and linking documents.
  
  
  Applications:
  
  The application refers to the SAP module or business process area (e.g., MM for Materials Management, FI for Financial Accounting).
  
  
  Common Transactions to Check:
  
  SPRO (Customizing)
  OMJJ (for document types in MM)
  OBA7 (for document types in FI)
  
  
  
  Notes and SAP Help:
  
  Check SAP Notes related to VN351 for any known issues or patches.
  Refer to SAP Help Portal for detailed documentation on object type assignments.
  
  
  
  
  Summary
  
  
  
  Aspect
  Details
  
  
  
  
  Error
  VN351 - Object type & is assigned to header in application &
  
  
  Cause
  Object type already assigned or invalid assignment in the application
  
  
  Solution
  Check and correct object type assignments in customizing; avoid duplicates; ensure compatibility
  
  
  Related
  Object types, document headers, application configuration
  
  
  
  
  If you provide the exact object type and application values (the placeholders & in the message), I can help you with more specific guidance.