How To Fix RSUOM138 - &1. No corresponding base units of measure

RSUOM138 - Overview

• Message type: E = Error

• Message class: RSUOM - BW: Conversion of Units of Measure

• Message number: 138

• Message text: &1. No corresponding base units of measure

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 RSUOM138 - &1. No corresponding base units of measure ?

  The SAP error message RSUOM138 typically indicates that there is no corresponding base unit of measure defined for a specific unit of measure in the system. This can occur in various contexts, such as when working with material master data, inventory management, or during the creation of purchase orders or sales orders.
  
  Cause:
  
  Missing Base Unit of Measure: The primary cause of this error is that the unit of measure you are trying to use does not have a defined base unit of measure in the system.
  Incorrect Configuration: The configuration settings for units of measure may not be set up correctly in the system.
  Material Master Data Issues: The material master record may not have the necessary unit of measure data maintained.
  
  
  Solution:
  
  
  Check Unit of Measure Configuration:
  
  Go to the transaction code OMN3 (or CUNI for unit of measure conversion) to check the configuration of units of measure.
  Ensure that the unit of measure you are