How To Fix AG861 - TM scheduling: document UoM missing; ATP confirmtn not possible &1 &2 &3

AG861 - Overview

• Message type: E = Error

• Message class: AG - Nachrichten ATP-Server

• Message number: 861

• Message text: TM scheduling: document UoM missing; ATP confirmtn not possible &1 &2 &3

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.

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AG861 - Details

• The SAP error message AG861, which states "TM scheduling: document UoM missing; ATP confirmation not possible," typically occurs in the context of Advanced Planning and Optimization (APO) or Transportation Management (TM) when there is an issue with the unit of measure (UoM) for a document related to the scheduling of transportation or delivery.
  
  Cause:
  
  Missing Unit of Measure: The error indicates that the system cannot find a unit of measure for the document in question. This could happen if the UoM is not defined for the material or if it is not properly maintained in the relevant master data.
  
  Configuration Issues: There may be configuration issues in the system that prevent the UoM from being recognized during the ATP (Available to Promise) check.
  Data Inconsistencies: There could be inconsistencies in the master data, such as missing or incorrect entries in the material master or the relevant transaction data.
  Document Type Issues: The document type being