How To Fix OIO437 - Goods receipt completed; cannot reduce item quantity

OIO437 - Overview

• Message type: E = Error

• Message class: OIO - Remote Logistics

• Message number: 437

• Message text: Goods receipt completed; cannot reduce item quantity

What causes this issue?

You are trying to update a mobilization item based on a service item.
Usually mobilization items are created automatically and so the quantity
exactly matches the quantity on the service item. In this case a change
has been made after the mobilization item was created and the
mobilization quantity on the service item is less than the quantity on
the mobilization item.
In these circumstances the mobilization program will usually reduce the
quantity on the mobilization item, but in this case all of the
mobilization items have been received.

System Response

The mobilization program cannot reduce the mobilization quantity.

How to fix this error?

Options:
Decrease the mobilization quantity on the service item.
Cancel the receipt of one or more of the mobilization items.
Mark the service item as 'delivery complete'.

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 OIO437 - Goods receipt completed; cannot reduce item quantity ?

  The SAP error message OIO437 ("Goods receipt completed; cannot reduce item quantity") typically occurs when you attempt to reduce the quantity of a goods receipt that has already been completed. This situation can arise in various scenarios, such as when trying to adjust the quantity of received goods in a purchase order or when processing inventory adjustments.
  
  Cause:
  
  Completed Goods Receipt: The goods receipt for the item has already been completed, meaning that the inventory has been updated and the transaction is finalized.
  Document Status: The document status may not allow for further changes, as it is locked for modifications after completion.
  Business Logic: SAP enforces certain business rules that prevent changes to completed transactions to maintain data integrity and accuracy in inventory management.
  
  
  Solution:
  
  
  Reverse the Goods Receipt: If you need to adjust the quantity, you may need to reverse the goods receipt first. This can be done using the transaction code MIGO:
  
  Select "Goods Movement"