How To Fix 881123 - UM &1 is already reference UM for all sales units not defined in REA

881123 - Overview

• Message type: E = Error

• Message class: 881 - Recycling Administration

• Message number: 123

• Message text: UM &1 is already reference UM for all sales units not defined in REA

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.

881123 - Details

• The SAP error message 881123 indicates that there is an issue with the configuration of sales units in the system. Specifically, the message states that a certain unit of measure (UM) is already referenced for all sales units that are not defined in the REA (Revenue Accounting and Reporting) configuration.
  
  Cause:
  
  Duplicate Unit of Measure: The error typically arises when there is an attempt to assign a unit of measure that is already in use for other sales units, but those sales units are not properly defined in the REA settings.
  
  Configuration Issues: There may be a misconfiguration in the REA settings or in the unit of measure settings within the sales document or material master.
  Missing Definitions: The sales units that are being referenced may not have been defined correctly in the REA configuration, leading to conflicts.
  
  
  Solution:
  
  
  Check Unit of Measure Configuration:
  
  Go to the transaction code CUNI (Unit of Measure Conversion) and verify the