MH202 - First specify the main layout module for the unit of measure &

SAP Error Message - Details

• Message type: E = Error

• Message class: MH - Maintain Material Master Data (Retail)

• Message number: 202

• Message text: First specify the main layout module for the unit 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 MH202 - First specify the main layout module for the unit of measure & ?

  The SAP error message MH202, which states "First specify the main layout module for the unit of measure &," typically occurs in the context of material management or logistics when dealing with units of measure (UoM) in SAP.
  Cause:
  This error usually arises when the system expects a main layout module to be defined for a specific unit of measure, but it has not been set up. The main layout module is essential for the system to understand how to handle the conversion and representation of different units of measure associated with a material.
  Solution:
  To resolve this error, you need to define the main layout module for the unit of measure in question. Here are the steps to do this:
  
  
  Access the Unit of Measure Configuration:
  
  Go to the SAP Easy Access screen.
  Navigate to the following path: Logistics > General > Master Data > Units of Measure > Define Units of Measure.
  
  
  
  Find the Relevant Unit of Measure:
  
  Search for the unit of measure that is causing the error. You may need to enter the unit of measure code or description.
  
  
  
  Define the Main Layout Module:
  
  Once you have located the unit of measure, check if a main layout module is assigned.
  If it is not assigned, you will need to specify the main layout module. This is typically done in the configuration settings for the unit of measure.
  
  
  
  Save Changes:
  
  After making the necessary changes, save your configuration.
  
  
  
  Test the Changes:
  
  Go back to the transaction or process that was generating the error and test to see if the issue has been resolved.
  
  
  
  Related Information:
  
  Unit of Measure (UoM): In SAP, units of measure are critical for inventory management, purchasing, and sales processes. Each material can have multiple units of measure, and the main layout module helps in defining how these units relate to each other.
  Configuration Transactions: You may need access to specific configuration transactions (like SPRO) to make changes to the unit of measure settings.
  Documentation: Refer to SAP Help documentation or your organization's SAP training materials for more detailed instructions on managing units of measure.
  
  If the problem persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in material management.