How To Fix O1883 - Base UoM of delivery item is not = purchase order item qty. schedule.

SAP Error Message - Details

• Message type: E = Error

• Message class: O1 - IS-Oil : Message pool exchanges

• Message number: 883

• Message text: Base UoM of delivery item is not = purchase order item qty. schedule.

What causes this issue?

The base unit of measure in the quantity schedule of the purchase order
item is different from the delivery item.
The base units of measure must be the same.

System Response

The system will not accept the assignment of this purchase order item.

How to fix this error?

Please use another purchase order item or change the delivery date.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message O1883 - Base UoM of delivery item is not = purchase order item qty. schedule. ?

  The SAP error message O1883 ("Base UoM of delivery item is not = purchase order item qty. schedule") typically occurs during the goods receipt process when there is a mismatch between the unit of measure (UoM) of the delivery item and the UoM of the purchase order item. This can happen in scenarios where the delivery is being processed for a purchase order that has different units of measure for the ordered quantity and the delivered quantity.
  Cause:
  
  Unit of Measure Mismatch: The base unit of measure for the delivery item does not match the unit of measure specified in the purchase order.
  Conversion Issues: If there are conversion factors defined between different units of measure, they may not be set up correctly, leading to discrepancies.
  Incorrect Delivery Quantity: The quantity being delivered may not be in the same unit of measure as the quantity specified in the purchase order.
  
  Solution:
  
  
  Check Purchase Order and Delivery Item:
  
  Verify the unit of measure for both the purchase order item and the delivery item. Ensure they are the same or that the delivery item is correctly converted to match the purchase order.
  
  
  
  Adjust Delivery Quantity:
  
  If the delivery quantity is incorrect, adjust it to match the purchase order's unit of measure. This may involve changing the quantity in the delivery document to align with the purchase order.
  
  
  
  Review Unit of Measure Settings:
  
  Check the configuration of units of measure in the material master. Ensure that the base unit of measure is correctly defined and that any alternative units of measure are set up with the correct conversion factors.
  
  
  
  Use Transaction Codes:
  
  Use transaction codes like ME23N (Display Purchase Order) to review the purchase order details and VL02N (Change Outbound Delivery) to adjust the delivery details.
  
  
  
  Consult Documentation:
  
  If the issue persists, consult SAP documentation or your organization's SAP support team for further assistance.
  
  
  
  Related Information:
  
  Material Master: The material master data contains information about the units of measure and conversion factors. Ensure that the material master is correctly maintained.
  Purchase Order Configuration: Review the configuration settings for purchase orders in the SAP system to ensure that they align with your business processes.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide additional guidance on this error message.
  
  By following these steps, you should be able to resolve the O1883 error and successfully process the goods receipt.