How To Fix MW193 - External number assignment not defined (document type &)

SAP Error Message - Details

• Message type: E = Error

• Message class: MW - Messages IS-R / Allocation Tables

• Message number: 193

• Message text: External number assignment not defined (document type &)

What causes this issue?

External document assignment is not defined for document type &V1&.
You can define intervals for internal or external document assignment
for each documnt type (e.gg the allocation table type or the allocation
rule type).

System Response

INCLUDE ISR_VERARBEITUNG

How to fix this error?

Check and, if required, correct the Customizing settings:
If you are processing an allocation table
Check that for the <DS:SIMG.W_ZF_VK_0410>Allocation table type</>
external assignment is correctly assigned for the number range
interval.
If you are processing an allocation rule
Check that for the <DS:SIMG.W_ZF_VK_0430>Allocation rule type
</> external assignment is correctly assigned for the number range
interval.
INCLUDE ISR_CUSTOMIZING

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MW193 - External number assignment not defined (document type &) ?

  The SAP error message MW193, which states "External number assignment not defined (document type &)," typically occurs when you are trying to create a document (such as a material document, invoice, etc.) that requires an external number assignment, but the system is not configured to allow it for the specified document type.
  Cause:
  
  Document Type Configuration: The document type you are trying to use is not set up for external number assignment in the configuration settings.
  Number Range Assignment: The number range for the document type may not be defined or may not include external number assignment.
  User Authorization: The user may not have the necessary authorizations to create documents with external number assignment.
  
  Solution:
  To resolve the MW193 error, you can follow these steps:
  
  
  Check Document Type Configuration:
  
  Go to the transaction code OBA7 (or SPRO -> "Logistics Execution" -> "Logistics General" -> "Document Types" -> "Define Document Types").
  Find the document type that is causing the error and check its settings.
  Ensure that the "External Number Assignment" option is selected for the document type.
  
  
  
  Define Number Ranges:
  
  Go to transaction code SNRO (Number Range Objects).
  Check the number range object associated with the document type.
  Ensure that there is a number range defined for external number assignment. If not, create a new number range or modify an existing one to allow external assignment.
  
  
  
  User Authorizations:
  
  Ensure that the user has the necessary authorizations to create documents with the specified document type. This can be checked in the user roles and profiles.
  
  
  
  Testing:
  
  After making the necessary changes, test the document creation process again to see if the error persists.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  OBA7: Configuration for document types.
  SNRO: Manage number ranges.
  SPRO: Access to the SAP Reference IMG for configuration.
  
  
  
  Documentation: Refer to SAP Help documentation for detailed information on document types and number range management.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to this error message.
  
  
  By following these steps, you should be able to resolve the MW193 error and successfully create the required document in SAP.