How To Fix WB2B201 - NAST object key not filled correctly (internal error)

WB2B201 - Overview

• Message type: E = Error

• Message class: WB2B - Trading Contract

• Message number: 201

• Message text: NAST object key not filled correctly (internal error)

What causes this issue?

You wanted to read a trading contract.
In this process, the system filters the number of the trading contract
from the object key of a NAST record. A check found that the number of
the trading contract does not have a valid value.

System Response

INCLUDE ISR_STOP

How to fix this error?

INCLUDE ISR_VERWALTUNG

Procedure for System Administrators

An internal error occurred in function module &V2&. The object key of
the NAST record has the following value: &V1&.

Error message extract from SAP system. Copyright SAP SE.

WB2B201 - Details

• The SAP error message WB2B201, which indicates that the NAST object key is not filled correctly, typically arises in the context of output processing in SAP, particularly when dealing with output types and communication methods. The NAST table is used to store output information for various documents, such as purchase orders, sales orders, and invoices.
  
  Cause:
  The error can occur due to several reasons, including:
  
  
  Incorrect Configuration: The output type may not be configured correctly in the system. This includes settings related to the output determination procedure, condition records, or the assignment of output types to the relevant document types.
  
  
  Missing Data: The necessary data for generating the output may be missing or incomplete. This could include missing fields in the document that are required for the output processing.
  
  
  Custom Development Issues: If there are custom developments or enhancements related to output processing, they may not be handling the NAST object key correctly.
  
  
  Data Inconsistencies: There