How To Fix LOBM_MESSAGES040 - External number assignment not allowed.

LOBM_MESSAGES040 - Overview

• Message type: E = Error

• Message class: LOBM_MESSAGES - Message class for LOBM services

• Message number: 040

• Message text: External number assignment not allowed.

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 LOBM_MESSAGES040 - External number assignment not allowed. ?

  The SAP error message LOBM_MESSAGES040 ("External number assignment not allowed") typically occurs when there is an attempt to assign an external number to a document or object that is configured to use internal number assignment. This can happen in various modules, such as Logistics or Materials Management, where document numbers are generated automatically by the system.
  
  Cause:
  
  Number Range Configuration: The number range for the document type you are trying to create is set to internal number assignment, but an external number is being provided.
  Document Type Settings: The specific document type you are working with may not allow external number assignment.
  User Input: A user may be trying to manually enter a number in a field that is configured for internal number assignment.
  
  
  Solution:
  
  
  Check Number Range Configuration:
  
  Go to the transaction code SNRO (Number Range Objects).
  Find the relevant number range object for the document type you are working with.
  Verify if the number range is set