How To Fix ME764 - Not possible to determine ISO code for unit of measure &2 in item &1

SAP Error Message - Details

• Message type: E = Error

• Message class: ME - Purchasing: General Messages

• Message number: 764

• Message text: Not possible to determine ISO code for unit of measure &2 in item &1

What causes this issue?

No IDoc can be generated because no ISO code has been maintained for
unit of measurement &V2& in item &V1&.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

INCLUDE NA_SYSADMIN1 LANGUAGE EN

Procedure for System Administrators

Check the ISO code of the currency in Customizing (general settings)
and maintain if necessary.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message ME764 - Not possible to determine ISO code for unit of measure &2 in item &1 ?

  The SAP error message ME764 indicates that the system is unable to determine the ISO code for a specified unit of measure (UoM) in a particular item. This typically occurs in the context of purchasing documents, such as purchase orders or purchase requisitions, where the unit of measure is not properly configured or recognized by the system.
  Cause:
  
  Missing ISO Code: The unit of measure (UoM) specified in the item does not have an associated ISO code in the system.
  Incorrect Configuration: The unit of measure may not be correctly defined in the system or may not be linked to the appropriate ISO code.
  Custom Units: If a custom unit of measure is used, it may not have been set up with the necessary ISO code.
  Data Inconsistency: There may be inconsistencies in the master data related to units of measure.
  
  Solution:
  
  
  Check Unit of Measure Configuration:
  
  Go to the transaction code CUNI (Unit of Measure Conversion) or OMN3 (Maintain Units of Measure) in SAP.
  Verify that the unit of measure in question is defined and has an associated ISO code.
  
  
  
  Assign ISO Code:
  
  If the unit of measure is missing an ISO code, you can assign it by editing the unit of measure settings in the configuration.
  Ensure that the ISO code is correctly linked to the unit of measure.
  
  
  
  Review Material Master:
  
  Check the material master data for the item in question (transaction code MM03).
  Ensure that the unit of measure is correctly defined in the material master and that it corresponds to the correct ISO code.
  
  
  
  Check Custom Units:
  
  If you are using custom units of measure, ensure that they are properly configured in the system with the necessary ISO codes.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources for additional guidance on configuring units of measure and ISO codes.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above configurations, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  ISO Codes: ISO codes are standardized codes that represent units of measure, which are important for international trade and compliance.
  Unit of Measure in SAP: Units of measure in SAP can be defined at various levels, including material master, purchasing info records, and more.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM03, CUNI, and OMN3 for managing units of measure.
  
  By following these steps, you should be able to resolve the ME764 error and ensure that the unit of measure is correctly configured in your SAP system.