How To Fix CO764 - Unit must be convertible in base unit of measure of unit of issue

SAP Error Message - Details

• Message type: E = Error

• Message class: CO - PPC order processing messages

• Message number: 764

• Message text: Unit must be convertible in base unit of measure of unit of issue

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CO764 - Unit must be convertible in base unit of measure of unit of issue ?

  The SAP error message CO764, which states "Unit must be convertible in base unit of measure of unit of issue," typically occurs in the context of production orders, material management, or inventory management when there is an issue with the unit of measure (UoM) configuration for a material.
  Cause:
  This error usually arises due to one of the following reasons:
  
  
  Unit of Measure Configuration: The unit of measure defined for the material in the material master is not convertible to the base unit of measure. For example, if the base unit of measure is "liters" and the unit of issue is "gallons," there must be a conversion factor defined between these two units.
  
  
  Missing Conversion Factors: The conversion factors between the base unit of measure and the unit of issue may not be defined in the material master data.
  
  
  Incorrect Unit of Measure Assignment: The unit of measure assigned to the production order or the material may not match the expected units defined in the material master.
  
  
  Solution:
  To resolve the CO764 error, you can take the following steps:
  
  
  Check Material Master Data:
  
  Go to the material master (transaction code MM03).
  Check the "Basic Data" and "Units of Measure" views.
  Ensure that the base unit of measure and the unit of issue are correctly defined and that a conversion factor exists between them.
  
  
  
  Define Conversion Factors:
  
  If the conversion factor is missing, you can define it in the material master under the "Units of Measure" section.
  Ensure that the conversion is valid and reflects the correct relationship between the units.
  
  
  
  Review Production Order Settings:
  
  If the error occurs during the creation or processing of a production order, check the order's settings to ensure that the correct units of measure are being used.
  
  
  
  Check for Custom Settings:
  
  If your organization has custom settings or enhancements, ensure that they are not interfering with the standard unit of measure functionality.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or consult with your SAP support team for any specific configurations or settings that may be relevant to your organization.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  MM03 - Display Material Master
  MM02 - Change Material Master
  CO01 - Create Production Order
  CO02 - Change Production Order
  
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  
  
  Unit of Measure Settings: Familiarize yourself with the unit of measure settings in SAP, including how to define and manage them effectively.
  
  
  By following these steps, you should be able to identify and resolve the issue causing the CO764 error in SAP.