How To Fix 9J878 - Quantity in stock is not equal to 1

9J878 - Overview

• Message type: E = Error

• Message class: 9J -

• Message number: 878

• Message text: Quantity in stock is not equal to 1

What causes this issue?

You want to change the equipment from being a multi-part equipment to
being an equipment item.
You can only do this if a quantity of 1 has been used in inventory
management up until now.
However, stock entries with values other than one have been entered.
This means that you cannot change this equipment into an equipment
item.

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?

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 9J878 - Quantity in stock is not equal to 1 ?

  The SAP error message 9J878, which states "Quantity in stock is not equal to 1," typically occurs in scenarios involving inventory management, particularly when dealing with stock items that are expected to have a specific quantity on hand. This error can arise in various contexts, such as during goods movements, stock transfers, or when performing inventory counts.
  
  Cause:
  
  Stock Quantity Mismatch: The most common cause of this error is that the system expects a specific quantity (usually 1) for a particular stock item, but the actual quantity in stock is different (either 0 or more than 1).
  Incorrect Stock Configuration: The item may be configured in a way that it should only have a single unit in stock, such as serialized items or items managed in batches.
  Inventory Management Issues: There may be discrepancies in the inventory records due to previous transactions that were not properly recorded or completed.
  User Error: The user may be