How To Fix CRM_R3_PO028 - Order unit missing

SAP Error Message - Details

• Message type: E = Error

• Message class: CRM_R3_PO - Messages for Distribution of Purchase Contracts to R/3

• Message number: 028

• Message text: Order unit missing

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CRM_R3_PO028 - Order unit missing ?

  The SAP error message CRM_R3_PO028 "Order unit missing" typically occurs in the context of creating or processing a sales order or purchase order in the SAP CRM system. This error indicates that the system cannot find a valid order unit for the item being processed, which is necessary for determining how the item is to be ordered, sold, or delivered.
  Cause:
  
  Missing Order Unit: The most common cause is that the order unit (e.g., pieces, boxes, kilograms) is not defined for the material in the system.
  Material Master Data: The material master record may not have the order unit specified in the relevant views (e.g., Sales Organization Data, Purchasing Data).
  Configuration Issues: There may be configuration issues in the system that prevent the order unit from being recognized.
  Inconsistent Data: There could be inconsistencies in the data between the CRM and R/3 systems, especially if they are integrated.
  
  Solution:
  
  
  Check Material Master:
  
  Go to the material master record (transaction code MM03) and check the relevant views (Sales Org Data, Purchasing Data) to ensure that the order unit is defined.
  If the order unit is missing, you can add it using transaction code MM02 (Change Material).
  
  
  
  Define Order Unit:
  
  If the order unit is not defined, you may need to define it in the material master. Ensure that the unit of measure is set correctly in the relevant views.
  
  
  
  Check Configuration:
  
  Review the configuration settings in the SAP system to ensure that the order unit is properly set up. This may involve checking the settings in the customizing transaction (SPRO).
  
  
  
  Data Consistency:
  
  If you are using an integrated environment (CRM and R/3), ensure that the data is consistent across both systems. You may need to synchronize the data or check for any errors in the data transfer.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to this error message for any specific guidance or patches that may address the issue.
  
  
  
  Contact Support:
  
  If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting SAP Notes for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: MM03 (Display Material), MM02 (Change Material), SPRO (Customizing).
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may provide additional insights or solutions for this error.
  Integration: If you are using SAP CRM integrated with SAP ERP, ensure that the integration settings are correctly configured.
  
  By following these steps, you should be able to identify and resolve the "Order unit missing" error in SAP.