How To Fix GPSC121 - Enter UoM only

SAP Error Message - Details

• Message type: E = Error

• Message class: GPSC - PSC Application

• Message number: 121

• Message text: Enter UoM only

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 GPSC121 - Enter UoM only ?

  The SAP error message GPSC121 "Enter UoM only" typically occurs in the context of SAP's Global Trade Services (GTS) or when dealing with material master data, particularly in scenarios involving unit of measure (UoM) entries. This error indicates that the system expects a unit of measure to be entered, but it has not been provided.
  Cause:
  
  Missing Unit of Measure: The most common cause is that the user has not entered a unit of measure in a field where it is required.
  Incorrect Configuration: There may be issues with the configuration of the material master or the relevant transaction that is leading to this error.
  Data Entry Error: The user may have overlooked the UoM field or entered data in an incorrect format.
  
  Solution:
  
  Enter the Unit of Measure: Ensure that you enter a valid unit of measure in the required field. This could be a standard UoM like "EA" (each), "KG" (kilogram), "L" (liter), etc.
  Check Configuration: If you are consistently encountering this error, check the configuration settings in the material master or the relevant transaction. Ensure that the UoM settings are correctly defined.
  Review User Input: Double-check the data entry to ensure that all required fields, including the UoM, are filled out correctly.
  Consult Documentation: Refer to SAP documentation or help files for specific guidance on the transaction or module you are working with.
  Contact Support: If the issue persists, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  Related Information:
  
  Unit of Measure (UoM): In SAP, UoM is crucial for inventory management, purchasing, and sales processes. Each material can have multiple UoMs defined in the material master.
  Material Master Data: Ensure that the material master data is correctly maintained, including the UoM settings.
  Transaction Codes: Familiarize yourself with relevant transaction codes (like MM01, MM02 for material master maintenance) that may help in resolving the issue.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  
  By following these steps, you should be able to resolve the GPSC121 error and ensure that the necessary unit of measure is entered correctly in your SAP system.