How To Fix CMT2191 - & does not support external number assignment

CMT2191 - Overview

• Message type: E = Error

• Message class: CMT2 - Add-On Version: Message Class in CM Environment

• Message number: 191

• Message text: & does not support external number assignment

What causes this issue?

You want to create a new object in configuration management. However,
only certain number ranges are reserved in the system, which allow
external number assignment.
&V1& is in a number range that does not allow external number
assignment.

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?

Choose a number for which external number assignment is possible.
For an overview of the various number ranges, see Customizing
(Configuration Management).

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CMT2191 - & does not support external number assignment ?

  The SAP error message CMT2191 typically indicates that there is an issue with the number assignment for a particular object or document in the system. The message "does not support external number assignment" suggests that the system is configured to use internal number assignment for the specified object, but an attempt has been made to use an external number.
  
  Cause:
  
  Configuration Settings: The system is set up to use internal number assignment for the specific document type or object, but an external number is being provided.
  Document Type Restrictions: Certain document types in SAP may not allow external number assignment due to their configuration.
  User Input Error: The user may have mistakenly tried to enter an external number when the system is expecting an internal one.
  
  
  Solution:
  
  
  Check Configuration:
  
  Go to the configuration settings for the relevant document type or object in SAP.
  Verify whether the number assignment is set to "Internal" or "External". If it is set