How To Fix LOBM_MESSAGES040 - External number assignment not allowed.

SAP Error Message - Details

• 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

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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 to internal or external. If it is set to internal, you cannot use an external number.
  
  
  
  Adjust Document Type Settings:
  
  Use transaction code OBA7 to check the settings for the document type.
  Ensure that the document type allows for external number assignment if that is your requirement.
  
  
  
  User Input Validation:
  
  Ensure that users are aware of the number assignment method being used. If the system is set to internal, they should not attempt to enter an external number.
  Provide training or documentation to users to avoid confusion.
  
  
  
  Consult with SAP Basis or Functional Consultant:
  
  If you are unsure about the configuration or need to change the settings, consult with your SAP Basis or functional consultant to ensure that any changes made align with business processes.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  SNRO: Number Range Objects
  OBA7: Document Type Configuration
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to this error message.
  Documentation: Review SAP documentation related to number range management and document types for further understanding.
  
  By following these steps, you should be able to resolve the error message LOBM_MESSAGES040 and ensure that the number assignment method aligns with your business requirements.