How To Fix APBAPI020 - No unit of measure is assigned to ISO code &1

SAP Error Message - Details

• Message type: E = Error

• Message class: APBAPI - Messages for IM BAPIs

• Message number: 020

• Message text: No unit of measure is assigned to ISO code &1

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 APBAPI020 - No unit of measure is assigned to ISO code &1 ?

  The SAP error message APBAPI020 indicates that there is no unit of measure (UoM) assigned to a specific ISO code in the system. This error typically arises when working with materials, products, or services that require a unit of measure for transactions, such as purchasing, sales, or inventory management.
  Cause:
  
  Missing UoM Assignment: The primary cause of this error is that the ISO code (which usually represents a specific currency or measurement standard) does not have an associated unit of measure in the system.
  Configuration Issues: There may be configuration issues in the material master or the relevant settings in the SAP system that prevent the assignment of a unit of measure to the ISO code.
  Data Inconsistencies: There could be inconsistencies or missing data in the master data records, such as the material master or the relevant tables.
  
  Solution:
  
  
  Check Material Master: 
  
  Go to the material master record (transaction code MM03).
  Check if the unit of measure is assigned correctly for the material in question.
  If not, you may need to update the material master to include the appropriate unit of measure.
  
  
  
  Assign UoM to ISO Code:
  
  Navigate to the configuration settings for units of measure (transaction code OMN3).
  Ensure that the ISO code in question has a corresponding unit of measure assigned.
  If it does not exist, you may need to create a new entry or modify an existing one.
  
  
  
  Review Configuration Settings:
  
  Check the configuration settings related to units of measure in the SAP system.
  Ensure that the settings are correctly defined to allow for the assignment of units of measure to the relevant ISO codes.
  
  
  
  Data Consistency Check:
  
  Perform a data consistency check to identify any discrepancies in the master data.
  Use transaction codes like SE16 or SE11 to view the relevant tables and ensure that all necessary data is present.
  
  
  
  Consult Documentation: 
  
  Review SAP documentation or help resources for additional guidance on handling unit of measure assignments and related configurations.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  MM03 - Display Material Master
  OMN3 - Maintain Units of Measure
  SE16 - Data Browser
  SE11 - Data Dictionary
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  User Roles: Ensure that you have the necessary permissions to make changes to the material master or configuration settings.
  
  By following these steps, you should be able to resolve the APBAPI020 error and ensure that the appropriate unit of measure is assigned to the relevant ISO code in your SAP system.