How To Fix QC303 - Conversion required from unit &2 to &3 for certificate charac. "&1"

QC303 - Overview

• Message type: E = Error

• Message class: QC - QM: Certificates

• Message number: 303

• Message text: Conversion required from unit &2 to &3 for certificate charac. "&1"

What causes this issue?

The quantitative value of the certificate characteristic was not in the
required unit.
Key (inspection lot/operation/characteristic): &V4&

System Response

The value is converted to the unit required in the inspection lot.
However, this can cause rounding errors.
The certificate value is no longer checked for the number of decimal
places required in the inspection characteristic.

How to fix this error?

Agree with the sender of the electronic certificate that for this
characteristic the measured values are transferred in the required
unit.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message QC303 - Conversion required from unit &2 to &3 for certificate charac. "&1" ?

  The SAP error message QC303 indicates that there is a unit conversion issue related to a characteristic in a quality certificate. Specifically, it means that the system is trying to convert a value from one unit of measure (UoM) to another, but it cannot do so because the conversion is not defined or is not possible.
  
  Cause:
  
  Unit of Measure (UoM) Mismatch: The characteristic in question has a value in one unit (e.g., grams) that needs to be converted to another unit (e.g., kilograms), but the conversion factor is not defined in the system.
  Missing Conversion Factors: The conversion factors between the two units are not maintained in the system.
  Incorrect Configuration: The configuration for the characteristic or the material may not be set up correctly, leading to the inability to perform the conversion.
  
  
  Solution:
  
  
  Check Unit of Measure Settings:
  
  Go to the transaction code CUNI (Unit of Measure Conversion) in SAP.
  Verify that the conversion factors between