How To Fix M8_2143 - Unit of measurement cannot be entered without a quantity

SAP Error Message - Details

• Message type: E = Error

• Message class: M8_2 - Logistics Invoice Verification

• Message number: 143

• Message text: Unit of measurement cannot be entered without a quantity

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 M8_2143 - Unit of measurement cannot be entered without a quantity ?

  The SAP error message M8_2143, which states "Unit of measurement cannot be entered without a quantity," typically occurs in the context of inventory management or material master data entry. This error indicates that the system requires a quantity to be specified when a unit of measurement (UoM) is being entered. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  Missing Quantity: The most common cause of this error is that the user is trying to enter a unit of measurement without specifying a corresponding quantity. In SAP, certain transactions require both a quantity and a unit of measurement to be provided.
  Transaction Context: This error can occur in various transactions, such as goods movements, inventory adjustments, or material master updates, where both UoM and quantity are necessary for the operation to be valid.
  Configuration Issues: In some cases, the configuration of the material master or the specific transaction might not be set up correctly, leading to this error.
  
  Solution:
  
  Enter Quantity: Ensure that you enter a valid quantity along with the unit of measurement. For example, if you are entering a UoM of "pieces," you should also specify how many pieces you are referring to.
  Check Transaction Requirements: Review the specific transaction you are working with to ensure that you are following the required input format. Some transactions may have specific fields that must be filled out.
  Review Material Master Data: If the error persists, check the material master data to ensure that the units of measurement are correctly defined and that there are no inconsistencies.
  Consult Documentation: Refer to SAP documentation or help resources for the specific transaction you are using to understand the required fields and their relationships.
  User Training: If this error is frequently encountered by users, consider providing additional training on the relevant transactions and data entry requirements.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its system, and there may be specific notes addressing this error.
  Transaction Codes: Familiarize yourself with the transaction codes where this error might occur, such as MIGO (Goods Movement), MIRO (Invoice Verification), or MM01/MM02 (Material Master).
  User Roles and Authorizations: Ensure that the user has the appropriate roles and authorizations to perform the transaction, as sometimes restrictions can lead to unexpected errors.
  
  By addressing the quantity and ensuring proper data entry practices, you should be able to resolve the M8_2143 error effectively.