How To Fix WB2B518 - Purchase Unit of Measure &1 was re-determined for material &2, Item &3

WB2B518 - Overview

• Message type: E = Error

• Message class: WB2B - Trading Contract

• Message number: 518

• Message text: Purchase Unit of Measure &1 was re-determined for material &2, Item &3

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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Smart SAP Assistant

• What is the cause and solution for SAP error message WB2B518 - Purchase Unit of Measure &1 was re-determined for material &2, Item &3 ?

  The SAP error message WB2B518 indicates that the purchase unit of measure for a specific material has been re-determined during a transaction, which can occur in various scenarios such as during the creation of a purchase order or when processing a purchase requisition. This message typically arises when there is a mismatch or inconsistency in the unit of measure settings for the material in question.
  
  Cause:
  
  Unit of Measure Configuration: The purchase unit of measure defined in the material master may not match the unit of measure used in the purchasing document.
  Material Master Data: The material master data may have been changed, leading to a re-evaluation of the purchase unit of measure.
  Purchasing Info Record: The purchasing info record for the material may have different settings that conflict with the material master.
  Conversion Factors: There may be issues with the conversion factors between different units of measure defined in the material master.
  
  
  Solution:
  
  Check Material Master: