How To Fix M9055 - Enter a unit of measurement that has been defined in Customizing

M9055 - Overview

• Message type: E = Error

• Message class: M9 - Logistics Information System: Planning Data

• Message number: 055

• Message text: Enter a unit of measurement that has been defined in Customizing

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?

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Smart SAP Assistant

• What is the cause and solution for SAP error message M9055 - Enter a unit of measurement that has been defined in Customizing ?

  The SAP error message M9055, which states "Enter a unit of measurement that has been defined in Customizing," typically occurs when a user attempts to enter a unit of measurement (UoM) in a transaction or document that is not recognized by the system. This can happen in various modules, such as Materials Management (MM) or Sales and Distribution (SD), where units of measurement are crucial for inventory and sales processes.
  
  Cause:
  
  Undefined Unit of Measurement: The unit of measurement you are trying to use has not been defined in the system's customizing settings.
  Incorrect UoM Code: The UoM code entered may be misspelled or incorrectly formatted.
  Missing Configuration: The unit of measurement may not be assigned to the relevant material or product in the system.
  User Authorization: The user may not have the necessary permissions to access or use certain units of measurement.
  
  
  Solution:
  To resolve the M9055 error, follow these steps:
  
  
  Check UoM Definition:
  
  Go to the SAP