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
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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
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