How To Fix RDM_BBY178 - Enter the sales unit for material &1 of line items on the Buy side

SAP Error Message - Details

• Message type: E = Error

• Message class: RDM_BBY - Bonus Buy: Messages

• Message number: 178

• Message text: Enter the sales unit for material &1 of line items on the Buy side

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RDM_BBY178 - Enter the sales unit for material &1 of line items on the Buy side ?

  The SAP error message RDM_BBY178 indicates that there is a missing sales unit for a material on the buy side of a transaction. This typically occurs in the context of procurement processes, such as when creating purchase orders or purchase requisitions.
  Cause:
  The error arises when the system expects a sales unit to be defined for a material, but it is either not maintained or incorrectly configured in the material master data. The sales unit is essential for determining how the material is sold and managed in the system.
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check Material Master Data:
  
  Go to the Material Master (Transaction Code: MM03).
  Enter the material number that is causing the error.
  Check the relevant views (especially the Sales Organization Data and Purchasing views) to ensure that the sales unit is defined.
  
  
  
  Maintain Sales Unit:
  
  If the sales unit is missing, you will need to maintain it.
  Use Transaction Code: MM02 to edit the material master.
  Navigate to the Sales Organization Data view and ensure that the sales unit is specified correctly.
  
  
  
  Check Unit of Measure Settings:
  
  Ensure that the unit of measure settings are correctly configured in the material master.
  Verify that the sales unit is consistent with the base unit of measure and any other relevant units of measure.
  
  
  
  Review Purchase Order or Requisition:
  
  If the error occurs while processing a purchase order or requisition, ensure that the line items are correctly referencing the material and that all required fields are filled out.
  
  
  
  Consult Documentation:
  
  If you are unsure about the correct sales unit or how to maintain it, refer to your organization's documentation or consult with a colleague who has experience with material master data.
  
  
  
  Testing:
  
  After making the necessary changes, try to reprocess the transaction that generated the error to confirm that the issue has been resolved.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  MM03: Display Material Master
  MM02: Change Material Master
  ME21N: Create Purchase Order
  ME51N: Create Purchase Requisition
  
  
  
  Material Master Views:
  
  Sales Organization Data
  Purchasing Data
  
  
  
  Unit of Measure Configuration:
  
  Ensure that the units of measure are defined in the system and that they are correctly linked to the material.
  
  
  
  If the issue persists after following these steps, it may be necessary to consult with your SAP support team or a functional consultant for further investigation.