How To Fix /SAPAPO/ATP205 - Unit &1 is unknown


/SAPAPO/ATP205 - Overview

  • Message type: E = Error

  • Message class: /SAPAPO/ATP -

  • Message number: 205

  • Message text: Unit &1 is unknown

  • Show details Hide details


  • 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.



    What else can you do?

    First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

    Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

    You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.


Smart SAP Assistant

  • What is the cause and solution for SAP error message /SAPAPO/ATP205 - Unit &1 is unknown ?
    The SAP error message /SAPAPO/ATP205 Unit &1 is unknown typically occurs in the context of Advanced Planning and Optimization (APO) when the system encounters a unit of measure (UoM) that it does not recognize or cannot find in the relevant master data. This can happen during processes such as availability checks, order processing, or when working with product master data.
    Causes:
    
    Missing Unit of Measure: The unit of measure specified in the transaction or master data does not exist in the system.
    Incorrect Configuration: The unit of measure may not be properly configured in the relevant settings or may not be assigned to the material.
    Data Inconsistency: There may be inconsistencies in the master data, such as missing or incorrect entries in the material master or other related tables.
    Transport Issues: If the system has recently undergone a transport of changes, the unit of measure may not have been included or properly activated.
    
    Solutions:
    
    
    Check Material Master:

    Already have an account? Login here!




Instant HelpGet instant SAP help. Sign up for our Free Essentials Plan.


Related SAP Error Messages

Click the links below to see the following related messages:

Click on this link to search all SAP messages.


Rating
ERPlingo simplifies finding the accurate answers to SAP message errors. I now use every week. A must have tool for anyone working with SAP! Highly recommended!
Rate 1
Kent Bettisworth
Executive SAP Consultant