How To Fix RDM_BBY420 - Missing discount unit of measure on the Buy side

RDM_BBY420 - Overview

• Message type: E = Error

• Message class: RDM_BBY - Bonus Buy: Messages

• Message number: 420

• Message text: Missing discount unit of measure on the Buy side

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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RDM_BBY420 - Details

• The SAP error message RDM_BBY420, which indicates "Missing discount unit of measure on the Buy side," typically arises in the context of procurement and purchasing processes within SAP. This error is related to the configuration of discount conditions in purchasing documents, such as purchase orders or contracts.
  
  Cause:
  The error occurs when the system expects a discount unit of measure to be defined for a specific condition type in the purchasing document, but it is missing. This can happen due to several reasons:
  
  
  Configuration Issues: The discount condition type may not be properly configured in the system, leading to missing unit of measure settings.
  Master Data Issues: The material master or vendor master data may not have the necessary information regarding discount units of measure.
  Incomplete Condition Records: The condition records for discounts may not have been maintained correctly, lacking the required unit of measure.
  Document Type Settings: The document type used for the purchase order