How To Fix MIMA256 - Incorrect number range in Customizing: Number range not internal

SAP Error Message - Details

• Message type: E = Error

• Message class: MIMA - Messages for Master Data Admin. Insurance Object

• Message number: 256

• Message text: Incorrect number range in Customizing: Number range not internal

What causes this issue?

The Customizing settings for the insurance object category you selected
are incorrect. An internal number range interval must be defined for
this insurance object category. However, an external number range
interval was defined.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Change the Customizing settings or select another insurance object
category to create an insurance object.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MIMA256 - Incorrect number range in Customizing: Number range not internal ?

  The SAP error message MIMA256 indicates that there is an issue with the number range configuration in the system. Specifically, it states that the number range is not set as "internal," which is required for certain functionalities in SAP.
  Cause:
  The error typically arises when:
  
  The number range object is configured incorrectly in the Customizing settings.
  The number range is defined as "external" when it should be "internal."
  There may be a mismatch between the number range settings and the requirements of the application or module you are working with.
  
  Solution:
  To resolve the MIMA256 error, follow these steps:
  
  
  Access Number Range Configuration:
  
  Go to the SAP Easy Access screen.
  Navigate to the relevant transaction for number range maintenance, usually through the following path:
  SPRO -> SAP Reference IMG -> Logistics -> General -> Number Range -> Define Number Ranges
  
  Alternatively, you can use transaction code SNRO to access the number range object directly.
  
  
  
  Check the Number Range Object:
  
  Identify the number range object that is causing the issue.
  Check the settings for the number range. Ensure that the number range is set to "internal" if that is required for your application.
  
  
  
  Modify the Number Range:
  
  If the number range is set to "external," you will need to change it to "internal."
  Make sure to save your changes after modifying the settings.
  
  
  
  Test the Changes:
  
  After making the necessary adjustments, test the functionality that was previously causing the error to ensure that the issue has been resolved.
  
  
  
  Consult Documentation:
  
  If you are unsure about the implications of changing the number range settings, consult the SAP documentation or reach out to your SAP Basis or functional consultant for guidance.
  
  
  
  Related Information:
  
  
  Number Range Types:
  
  Internal Number Ranges: Automatically generated by the system. Used for most standard applications.
  External Number Ranges: Require manual entry by the user. Used in scenarios where specific numbering is needed.
  
  
  
  Transaction Codes:
  
  SNRO: To manage number range objects.
  SNUM: To display number ranges.
  
  
  
  Common Scenarios:
  
  This error can occur in various modules, including Sales and Distribution (SD), Materials Management (MM), and others where document numbers are generated.
  
  
  
  By following these steps, you should be able to resolve the MIMA256 error and ensure that your number range configuration is correct.