How To Fix O3196 - UoM group requires a conversion group and/or a tax group

SAP Error Message - Details

• Message type: E = Error

• Message class: O3 - IS-Oil: HPM messages (goods movements, QCI, deliveries)

• Message number: 196

• Message text: UoM group requires a conversion group and/or a tax group

What causes this issue?

A unit of measure group has been entered, but no conversion group or
tax group has been entered.

System Response

Error.

How to fix this error?

Do one of the following:
Enter a conversion group or a tax group.
Enter a converstion group and a tax group.
Remove the unit of measure group.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message O3196 - UoM group requires a conversion group and/or a tax group ?

  The SAP error message O3196, which states "UoM group requires a conversion group and/or a tax group," typically occurs when there is an issue with the configuration of the Unit of Measure (UoM) group in the system. This error is often encountered during the creation or modification of materials, especially when dealing with different units of measure.
  Cause:
  
  
  Missing Conversion Group: The UoM group assigned to the material does not have a conversion group defined. A conversion group is necessary to specify how different units of measure relate to each other.
  
  
  Missing Tax Group: The UoM group may also require a tax group, which is used for tax calculations based on the unit of measure.
  
  
  Incorrect Configuration: The UoM group may not be properly configured in the system, leading to inconsistencies.
  
  
  Solution:
  To resolve the O3196 error, you can follow these steps:
  
  
  Check UoM Group Configuration:
  
  Go to the transaction code OMN3 (or navigate through the SAP menu: Logistics > General > Master Data > Unit of Measure > Define Unit of Measure Groups).
  Verify that the UoM group assigned to the material has both a conversion group and a tax group defined.
  
  
  
  Define Conversion Group:
  
  If the conversion group is missing, you can create one by going to the transaction code OMN1 (or through the SAP menu: Logistics > General > Master Data > Unit of Measure > Define Conversion Factors).
  Define the necessary conversion factors between the units of measure.
  
  
  
  Define Tax Group:
  
  If a tax group is required, ensure that it is assigned to the UoM group. You can define tax groups in the transaction code FTXP (or through the SAP menu: Accounting > Financial Accounting > General Ledger > Master Records > G/L Accounts > Create/Change).
  Assign the appropriate tax group to the UoM group.
  
  
  
  Check Material Master Data:
  
  Go to the material master data (transaction code MM02) and check the UoM group assigned to the material. Ensure that it is correct and corresponds to the defined UoM group settings.
  
  
  
  Testing:
  
  After making the necessary changes, try to create or modify the material again to see if the error persists.
  
  
  
  Related Information:
  
  
  Unit of Measure (UoM): A UoM is a standard quantity used to measure the amount of a product. In SAP, UoMs can be defined in various ways, including base units, alternative units, and sales units.
  
  
  Conversion Group: This is a grouping of units of measure that allows for conversion between different units. For example, converting between kilograms and grams.
  
  
  Tax Group: This is used to determine the tax treatment of a product based on its unit of measure. It is essential for accurate tax calculations in sales and purchasing processes.
  
  
  SAP Documentation: For more detailed information, refer to the SAP Help Portal or the specific documentation related to material management and unit of measure configuration.
  
  
  By following these steps and ensuring proper configuration, you should be able to resolve the O3196 error in SAP.