How To Fix WN851 - Only one transportation chain of type &1 can be assigned

WN851 - Overview

• Message type: E = Error

• Message class: WN - Plant master data maintenance (integrated)

• Message number: 851

• Message text: Only one transportation chain of type &1 can be assigned

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WN851 - Only one transportation chain of type &1 can be assigned ?

  The SAP error message WN851 indicates that there is an issue with the assignment of transportation chains in the system. Specifically, it states that only one transportation chain of a certain type can be assigned to a particular object (like a delivery or shipment). This error typically arises in the context of logistics and transportation management within SAP.
  
  Cause:
  
  Duplicate Assignment: The error usually occurs when there is an attempt to assign multiple transportation chains of the same type to a single object. For example, if you are trying to assign more than one transportation chain for a specific delivery or shipment, the system will throw this error.
  
  Configuration Issues: There may be configuration settings in the SAP system that restrict the assignment of multiple transportation chains.
  Data Integrity Issues: There could be inconsistencies or errors in the master data or transactional data that lead to this situation.
  
  
  Solution:
  
  Check Existing Assignments: Review the existing transportation