How To Fix LB255 - No proportion or product unit &2 is defined for material &1

LB255 - Overview

• Message type: E = Error

• Message class: LB - Logistics: Batch - Management

• Message number: 255

• Message text: No proportion or product unit &2 is defined for material &1

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 LB255 - No proportion or product unit &2 is defined for material &1 ?

  The SAP error message LB255 "No proportion or product unit &2 is defined for material &1" typically occurs in the context of inventory management or production planning when the system cannot find the necessary unit of measure (UoM) or proportion for a specific material. This can happen in various scenarios, such as during goods movements, production orders, or when trying to create a bill of materials (BOM).
  
  Cause:
  
  Missing Unit of Measure: The material in question does not have a defined product unit or proportion in the material master data.
  Incorrect Configuration: The configuration settings for the material or the related product unit may not be set up correctly.
  Data Inconsistency: There may be inconsistencies in the data, such as missing entries in the relevant tables (e.g., MARM for units of measure).
  Material Type Restrictions: Certain material types may have restrictions on the units of measure that can be used.
  
  
  Solution:
  
  
  Check Material Master Data:
  
  Go to the