How To Fix MW194 - External number assignment not defined (object &, interval &)

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 194

• Message text: External number assignment not defined (object &, interval &)

What causes this issue?

Interval &V2& is not defined for external number assignment for number
range object &V1&.

System Response

INCLUDE ISR_VERARBEITUNG

How to fix this error?

Check your data, and change the following Customizing settings if
necessary:
You are in allocation table processing.
Check whether the number range interval for the
<DS:SIMG.W_ZF_VK_0410>allocation table type</> has been entered
correctly.
Check whether the <DS:SIMG.W_ZF_VK_0490>interval</> &V2& for number
range object &V1& has been maintained correctly.
You are in allocation rule processing.
Check whether the number range interval for the
<DS:SIMG.W_ZF_VK_0430>allocation rule type</> has been entered
correctly.
Check whether the <DS:SIMG.W_ZF_VK_0480>interval</> &V2& for number
range object &V1& has been maintained correctly.
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 MW194 - External number assignment not defined (object &, interval &) ?

  The SAP error message MW194: External number assignment not defined (object &, interval &) typically occurs when there is an issue with the configuration of number ranges for external number assignments in the SAP system. This error is often encountered in the context of materials management, particularly when creating or processing material documents, purchase orders, or other related transactions.
  Cause:
  The error is caused by one of the following reasons:
  
  Missing Number Range Configuration: The external number range for the specified object (e.g., material documents, purchase orders) has not been defined in the system.
  Incorrect Number Range Assignment: The number range interval for the specified object is not correctly assigned or is missing.
  Authorization Issues: The user may not have the necessary authorizations to access or create entries in the specified number range.
  
  Solution:
  To resolve the MW194 error, you can follow these steps:
  
  
  Check Number Range Configuration:
  
  Go to the transaction code SNRO (Number Range Objects).
  Enter the object name that corresponds to the error message (you can find this in the error message details).
  Check if the number range intervals are defined for the object. If not, you will need to create a new number range interval.
  
  
  
  Define Number Range Intervals:
  
  If the number range is missing, you can create it by:
  
  Going to the transaction code OMH1 (for material documents) or the relevant transaction for your object.
  Define a new number range interval, specifying the range and the object type.
  
  
  
  
  
  Check for External Number Assignment:
  
  Ensure that the number range is set to "External" if you are using external number assignment.
  Make sure that the number range is active and not locked.
  
  
  
  Authorization Check:
  
  Verify that the user has the necessary authorizations to use the number range. This can be checked in transaction SU53 or by consulting with your SAP security team.
  
  
  
  Testing:
  
  After making the necessary changes, test the transaction again to see if the error persists.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  SNRO: Number Range Objects
  OMH1: Define Number Ranges for Material Documents
  SU53: Display Authorization Check
  
  
  Documentation: Refer to SAP Help documentation for detailed information on number range management and configuration.
  Support: If the issue persists after following the above steps, consider reaching out to your SAP Basis or functional team for further assistance.
  
  By following these steps, you should be able to resolve the MW194 error and ensure that the external number assignment is properly configured in your SAP system.