How To Fix O3450 - Quantity conversion check failed for one item; all qty lines deleted

O3450 - Overview

• Message type: E = Error

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

• Message number: 450

• Message text: Quantity conversion check failed for one item; all qty lines deleted

What causes this issue?

If additional quantity data is posted utilizing function
MB_CREATE_GOODS_MOVEMENT, a check is performed for all additional q
uantities for which the indicator MANEN is initial. This check has
failed to confirm the correctness of the additional quantities. The
quantities cannot be posted and are deleted for the line item.

System Response

The system is not able to post the material document completely.

How to fix this error?

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

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 O3450 - Quantity conversion check failed for one item; all qty lines deleted ?

  The SAP error message O3450, which states "Quantity conversion check failed for one item; all qty lines deleted," typically occurs during the processing of a document that involves quantity conversions, such as in inventory management or sales order processing. This error indicates that the system encountered an issue when trying to convert quantities from one unit of measure to another.
  Causes:
  
  Unit of Measure (UoM) Configuration: The UoM settings for the material may not be correctly defined. This includes missing conversion factors or incorrect settings in the material master data.
  Inconsistent Data: There may be inconsistencies in the data related to the item, such as incorrect quantity entries or mismatched UoM in the document.
  Missing Conversion Factors: If the conversion factors between the base unit of measure and the alternative units of measure are not defined, the system cannot perform the conversion.
  Incorrect Item Master Data: The material master data may have errors or missing