How To Fix VG500 - & is not assigned to an ISO unit of measure (item &, field &)

SAP Error Message - Details

• Message type: E = Error

• Message class: VG - EDI Messages in SD

• Message number: 500

• Message text: & is not assigned to an ISO unit of measure (item &, field &)

What causes this issue?

The specified internal unit of measure has not been allocated an ISO
code.

How to fix this error?

Maintain the ISO code.
INCLUDE 'NA_CUST_MAINTAIN_3' OBJECT DOKU ID TX LANGUAGE E

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message VG500 - & is not assigned to an ISO unit of measure (item &, field &) ?

  Certainly! Here's a detailed explanation for the SAP error message VG500:
  
  SAP Error Message: VG500
  Message Text:
  
  & is not assigned to an ISO unit of measure (item &, field &).
  
  Cause:
  This error occurs when a unit of measure (UoM) used in a transaction or master data is not assigned or linked to an ISO standard unit of measure in the system. SAP requires that all units of measure be mapped to an ISO unit of measure to ensure consistency and standardization across processes.
  
  The unit of measure entered (e.g., in a material master, sales order, purchase order, or goods movement) is not linked to any ISO unit of measure in the system.
  This can happen if a custom or non-standard unit of measure is used but has not been properly assigned or maintained in the system.
  The system checks the unit of measure against the ISO unit of measure table and throws this error if no assignment exists.
  
  
  Solution:
  To resolve the VG500 error, you need to assign the unit of measure to an ISO unit of measure in SAP.
  Steps:
  
  
  Check the Unit of Measure:
  
  Identify the unit of measure causing the error (from the message, item, and field references).
  
  
  
  Assign Unit of Measure to ISO Unit:
  
  Go to transaction CUNI (Units of Measure).
  Find the unit of measure in question.
  Assign or maintain the ISO unit of measure for this unit.
  
  In the unit of measure details, there is a field for the ISO unit of measure.
  Enter the appropriate ISO unit (e.g., KG for kilograms, M for meters, L for liters, etc.).
  
  
  
  
  
  Save the changes.
  
  
  Re-run the transaction that caused the error to verify that the issue is resolved.
  
  
  
  Additional Information:
  
  
  ISO Units of Measure:
  
  SAP uses ISO units of measure as a standard reference to ensure uniformity in quantity and measurement units across different modules and countries.
  
  
  Transaction Codes:
  
  CUNI – Maintain Units of Measure
  MM02 – Change Material Master (to check/change base unit of measure)
  OMWN – Define Units of Measure (for customizing)
  
  
  
  Related Tables:
  
  T006 – Units of Measure
  T006A – Units of Measure: ISO Codes
  
  
  
  Common Scenarios:
  
  When creating or changing materials, sales orders, purchase orders, or inventory documents.
  When integrating with external systems that use non-standard units.
  When customizing or adding new units of measure.
  
  
  
  
  Summary:
  
  
  
  Aspect
  Description
  
  
  
  
  Cause
  Unit of measure used is not assigned to an ISO unit of measure in SAP.
  
  
  Solution
  Assign the unit of measure to an ISO unit in transaction CUNI and save the changes.
  
  
  Impact
  Prevents inconsistent or invalid unit of measure usage in transactions and master data.
  
  
  Related Tcodes
  CUNI, MM02, OMWN
  
  
  
  
  If you need further assistance or step-by-step guidance on how to assign units of measure, feel free to ask!