How To Fix EG475 - The transformation ratio does not match the ratio calculated

SAP Error Message - Details

• Message type: E = Error

• Message class: EG - IS-U device management

• Message number: 475

• Message text: The transformation ratio does not match the ratio calculated

What causes this issue?

You have specified a transformation ratio and the data for the primary
and secondary ends.
However, the transformation ratio calculated from the primary and
secondary ends (&V1&) is not equal to the specified transformation
ratio (&V2&).

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?

Check your entries and correct them as necessary. If you delete the
manually entered transformation ratio, the system will use the
calculated transformation ratio.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message EG475 - The transformation ratio does not match the ratio calculated ?

  The SAP error message EG475 ("The transformation ratio does not match the ratio calculated") typically occurs in the context of data transformation processes, particularly when dealing with the conversion of units or quantities in SAP systems. This error indicates that there is a discrepancy between the expected transformation ratio and the actual ratio calculated based on the data provided.
  Causes:
  
  Incorrect Configuration: The transformation ratios may not be correctly configured in the system. This can happen if the unit of measure (UoM) settings or conversion factors are not set up properly.
  Data Entry Errors: Manual data entry errors can lead to incorrect values being inputted, which can cause mismatches in the expected and calculated ratios.
  Inconsistent Master Data: If the master data (like material master or vendor master) has inconsistent or incorrect unit of measure settings, it can lead to this error.
  Changes in UoM: If there have been recent changes to the unit of measure settings or conversion factors, and the system has not been updated accordingly, this error may occur.
  Batch Management Issues: If batch management is enabled, discrepancies in batch-specific data can also lead to this error.
  
  Solutions:
  
  
  Check Configuration: Review the configuration settings for the relevant units of measure and transformation ratios in the SAP system. Ensure that they are set up correctly.
  
  Transaction Codes: Use transaction codes like CUNI (Unit of Measure) to check and maintain unit of measure settings.
  
  
  
  Validate Data Entry: Ensure that all data entries are correct and consistent. Check for any typos or incorrect values that may have been entered.
  
  
  Review Master Data: Check the master data for the materials or items involved in the transaction. Ensure that the unit of measure settings are consistent and correct.
  
  Transaction Codes: Use transaction codes like MM03 (Display Material) to review material master data.
  
  
  
  Update System: If there have been recent changes to the unit of measure settings, ensure that all relevant transactions and data are updated to reflect these changes.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the transformation ratios and how they should be configured for your specific business processes.
  
  
  Debugging: If the issue persists, consider debugging the process to identify where the mismatch is occurring. This may require technical assistance from an SAP ABAP developer.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions to common problems.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  Training: Consider training for users involved in data entry or configuration to minimize the risk of errors in the future.
  
  By following these steps, you should be able to identify the cause of the EG475 error and implement a solution to resolve it.