How To Fix IAOM_OM009 - Unit of measure &1 of delivery does not equal unit of measure &2 of order

SAP Error Message - Details

• Message type: E = Error

• Message class: IAOM_OM - Outsourced Manufacturing

• Message number: 009

• Message text: Unit of measure &1 of delivery does not equal unit of measure &2 of order

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message IAOM_OM009 - Unit of measure &1 of delivery does not equal unit of measure &2 of order ?

  The SAP error message IAOM_OM009 indicates a mismatch between the unit of measure (UoM) of a delivery and the unit of measure of the corresponding order. This error typically occurs during the processing of goods movements, such as when trying to post a goods receipt or delivery for an order.
  Cause:
  
  Unit of Measure Mismatch: The delivery is being processed in a different unit of measure than what was specified in the order. For example, if the order is in pieces (EA) and the delivery is in boxes (BX), this error will occur.
  Configuration Issues: There may be issues with how units of measure are configured in the material master or in the order settings.
  Conversion Factors: If there are conversion factors defined between different units of measure, they may not be set up correctly, leading to this error.
  Data Entry Errors: Manual entry errors during the creation of the delivery or order can also lead to mismatches.
  
  Solution:
  
  
  Check Units of Measure: Verify the unit of measure for both the delivery and the order. Ensure that they match or that the correct conversion factors are applied.
  
  You can check the order details in the transaction code (e.g., ME23N for purchase orders) and the delivery details in the transaction code (e.g., VL03N for deliveries).
  
  
  
  Adjust Delivery or Order: If the delivery is incorrect, you may need to adjust the delivery to match the order's unit of measure. Alternatively, if the order is incorrect, you may need to change the order to match the delivery.
  
  
  Review Material Master Data: Check the material master data (transaction code MM03) to ensure that the units of measure are correctly defined and that the conversion factors are set up properly.
  
  
  Use Correct Transaction Codes: Ensure that you are using the correct transaction codes for processing deliveries and orders, as some transactions may have specific requirements regarding units of measure.
  
  
  Consult Documentation: If the issue persists, consult SAP documentation or your organization's SAP support team for further assistance.
  
  
  Related Information:
  
  Unit of Measure Configuration: Review the configuration settings for units of measure in the SAP system, which can be found in the customizing settings (transaction code SPRO).
  Conversion Factors: Understand how conversion factors work in SAP and ensure they are correctly defined for the materials involved.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  User Training: Ensure that users are trained on how to correctly enter and manage units of measure in SAP to prevent future occurrences of this error.
  
  By following these steps, you should be able to resolve the IAOM_OM009 error and ensure that the units of measure for deliveries and orders are consistent.