How To Fix LB156 - Please maintain the proportion/product unit for unit of measurement &

LB156 - Overview

• Message type: E = Error

• Message class: LB - Logistics: Batch - Management

• Message number: 156

• Message text: Please maintain the proportion/product unit for unit of measurement &

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 LB156 - Please maintain the proportion/product unit for unit of measurement & ?

  The SAP error message LB156, which states "Please maintain the proportion/product unit for unit of measurement &," typically occurs in the context of materials management, particularly when dealing with units of measure in inventory management or production planning.
  
  Cause:
  This error usually arises when:
  
  Unit of Measure Configuration: The unit of measure (UoM) for a material is not properly defined in the system. Specifically, the system expects a proportion or product unit to be maintained for the specified UoM.
  Missing Data: The necessary data for the conversion between different units of measure is missing or incorrectly configured in the material master.
  Incorrect Settings: The settings in the material master for the base unit of measure and alternative units of measure may not be aligned.
  
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check Material Master Data:
  
  Go to the material master record (transaction code MM02 or MM03).
  Check the "Basic Data" and "Units of Measure" views.
  Ensure that the