How To Fix CRM_UIU_PROD021 - You have entered a GTIN; enter a base unit of measure

SAP Error Message - Details

• Message type: E = Error

• Message class: CRM_UIU_PROD - Message Class CRM_UIU_PROD

• Message number: 021

• Message text: You have entered a GTIN; enter a base 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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CRM_UIU_PROD021 - You have entered a GTIN; enter a base unit of measure ?

  The SAP error message CRM_UIU_PROD021 indicates that when you are trying to enter a Global Trade Item Number (GTIN) in the system, the base unit of measure (UoM) has not been specified. This error typically occurs in the context of product master data management within SAP CRM or SAP S/4HANA.
  Cause:
  The error arises because the system requires a base unit of measure to be defined for the product when a GTIN is entered. The GTIN is a unique identifier for trade items, and it is essential for inventory management, sales, and logistics processes. Without a base unit of measure, the system cannot process the GTIN correctly.
  Solution:
  To resolve this error, you need to ensure that a base unit of measure is specified for the product. Here are the steps to do this:
  
  
  Access Product Master Data:
  
  Navigate to the product master data in your SAP system.
  
  
  
  Edit Product Details:
  
  Open the product for which you are trying to enter the GTIN.
  
  
  
  Specify Base Unit of Measure:
  
  Look for the field labeled "Base Unit of Measure" or similar. Enter the appropriate unit of measure (e.g., EA for each, KG for kilograms, etc.) that corresponds to the product.
  
  
  
  Save Changes:
  
  After entering the base unit of measure, save the changes to the product master data.
  
  
  
  Re-enter GTIN:
  
  Once the base unit of measure is set, you can re-enter the GTIN without encountering the error.
  
  
  
  Related Information:
  
  GTIN Definition: The Global Trade Item Number is a unique identifier for products, which can be used for tracking and inventory purposes. It is often represented in formats such as UPC, EAN, or ISBN.
  Base Unit of Measure: This is the unit in which the product is managed in the system. It is crucial for inventory management, sales orders, and other logistics processes.
  SAP Documentation: For more detailed information, refer to the SAP Help Portal or the specific documentation related to product master data management in your version of SAP.
  
  If the issue persists after following these steps, it may be necessary to check for additional configuration settings or consult with your SAP support team for further assistance.