How To Fix LB406 - Automatic number assignment only; specified batch & will be ignored

LB406 - Overview

• Message type: E = Error

• Message class: LB - Logistics: Batch - Management

• Message number: 406

• Message text: Automatic number assignment only; specified batch & will be ignored

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 LB406 - Automatic number assignment only; specified batch & will be ignored ?

  The SAP error message LB406 ("Automatic number assignment only; specified batch & will be ignored") typically occurs in the context of batch management in SAP. This error indicates that the system is set to automatically assign batch numbers, but a specific batch number has been provided in the transaction. As a result, the system ignores the specified batch number and uses the automatically generated one instead.
  
  Cause:
  
  Batch Management Settings: The material in question is configured for automatic batch number assignment in the material master settings.
  Transaction Context: The transaction you are performing (e.g., goods movement, production order, etc.) is set to use automatic batch assignment, which conflicts with the manual batch number input.
  Configuration: The configuration in the batch management settings may not allow for manual entry when automatic assignment is enabled.
  
  
  Solution:
  To resolve this error, you can consider the following approaches:
  
  
  Use Automatic Batch Assignment:
  
  If the system is configured for automatic batch assignment, you