How To Fix >4829 - Several quantity units are not possible for one assignment key.

SAP Error Message - Details

• Message type: E = Error

• Message class: >4 - SAP File Transfer Protocol

• Message number: 829

• Message text: Several quantity units are not possible for one assignment key.

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 >4829 - Several quantity units are not possible for one assignment key. ?

  The SAP error message 4829 ("Several quantity units are not possible for one assignment key") typically occurs in the context of inventory management or logistics when there is an inconsistency in the unit of measure (UoM) for a particular assignment key, such as a material document or a stock transfer.
  Cause:
  This error can arise due to several reasons, including:
  
  Multiple Units of Measure: The system is trying to process a transaction that involves multiple units of measure for the same material or assignment key, which is not allowed.
  Configuration Issues: The material master may not be configured correctly to handle different units of measure.
  Inconsistent Data: There may be inconsistencies in the data entered for the material, such as different units of measure being assigned to the same material in different transactions.
  Incorrect Assignment Key: The assignment key being used may not support multiple units of measure.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Material Master Data:
  
  Go to the material master record (transaction code MM03) and check the units of measure defined for the material. Ensure that the base unit of measure and any alternative units of measure are correctly configured.
  
  
  
  Review Transaction Data:
  
  Review the transaction that triggered the error. Ensure that the quantity and unit of measure being used are consistent with what is defined in the material master.
  
  
  
  Adjust Configuration:
  
  If necessary, adjust the configuration settings in the system to allow for the correct handling of units of measure. This may involve checking the settings in the relevant customizing transactions (e.g., OMN1 for unit of measure settings).
  
  
  
  Use a Single Unit of Measure:
  
  If the transaction allows, try to use a single unit of measure for the assignment key to avoid the conflict.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance on handling units of measure and assignment keys.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance, especially if it appears to be a system bug or requires deeper investigation.
  
  
  
  Related Information:
  
  Unit of Measure (UoM): In SAP, each material can have multiple units of measure, but they must be defined correctly in the material master.
  Assignment Key: This is a key that links various transactions and data entries in SAP, and it must be consistent across all related entries.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM03 (Display Material), MB1A (Goods Withdrawal), and MB1B (Transfer Posting) to troubleshoot and analyze the issue.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.