How To Fix GU938 - The settings for the conversion from & to & are formally correct

SAP Error Message - Details

• Message type: E = Error

• Message class: GU - FI-SL utilities

• Message number: 938

• Message text: The settings for the conversion from & to & are formally correct

What causes this issue?

The result of the check of the field movements for the conversion showed
that they are formally correct. This means a 1:1 conversion takes place
between the source and target table and no fields are omitted or
modified.

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?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GU938 - The settings for the conversion from & to & are formally correct ?

  The SAP error message GU938 indicates that there is an issue with the conversion settings between two units of measure (UoM) in the system. This error typically arises when the system is unable to perform a conversion due to missing or incorrect configuration in the unit of measure settings.
  Cause:
  
  Missing Conversion Factors: The conversion factors between the two units of measure may not be defined in the system.
  Incorrect Configuration: The settings for the units of measure may be incorrectly configured, leading to inconsistencies.
  Unit of Measure Not Defined: One of the units involved in the conversion may not be defined in the system.
  Inconsistent Data: There may be inconsistencies in the data related to the units of measure, such as incorrect entries in the master data.
  
  Solution:
  
  
  Check Unit of Measure Settings:
  
  Go to the transaction code CUNI (Maintain Units of Measure).
  Verify that both units of measure involved in the conversion are defined and active.
  Ensure that the conversion factors between the two units are correctly set up.
  
  
  
  Define Conversion Factors:
  
  If the conversion factors are missing, you can define them in the same transaction (CUNI).
  Make sure to enter the correct conversion ratio between the two units.
  
  
  
  Review Master Data:
  
  Check the master data (e.g., material master, vendor master) to ensure that the units of measure are correctly assigned and consistent.
  Look for any discrepancies in the data that might lead to this error.
  
  
  
  Test the Conversion:
  
  After making the necessary changes, test the conversion again to ensure that the error is resolved.
  
  
  
  Consult Documentation:
  
  If the issue persists, refer to SAP documentation or consult with your SAP support team for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  CUNI: Maintain Units of Measure
  MM02: Change Material Master (to check UoM settings for materials)
  
  
  SAP Notes: Check for any relevant SAP Notes that might address specific issues related to unit conversions.
  User Authorization: Ensure that you have the necessary authorizations to make changes to unit of measure settings.
  
  By following these steps, you should be able to resolve the GU938 error and ensure that the conversion settings are correctly configured in your SAP system.