How To Fix CMS_AST121 - Interval &1 is not internal; select an internal number range interval

CMS_AST121 - Overview

• Message type: E = Error

• Message class: CMS_AST - Message Class for Asset

• Message number: 121

• Message text: Interval &1 is not internal; select an internal number range interval

What causes this issue?

This error has originated while using the <ZH>number_get_next
</>function module of number ranges. You have selected an internal
number range assignment type for the asset type. Therefore, you must
specify an internal number range interval.

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

System Response

How to fix this error?

Check for the number range settings for the asset type.

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 CMS_AST121 - Interval &1 is not internal; select an internal number range interval ?

  The SAP error message CMS_AST121 indicates that the specified interval (in this case, &1) is not an internal number range interval. This error typically occurs when you are trying to use a number range that is not defined as internal in the system settings.
  
  Cause:
  
  Incorrect Number Range Configuration: The number range you are trying to use is set up as an external number range instead of an internal one. Internal number ranges are automatically generated by the system, while external ones require manual entry.
  Misconfiguration in the Number Range Object: The number range object associated with the interval may not be configured correctly, leading to the system not recognizing it as an internal range.
  User Error: The user may have mistakenly selected or entered a number range that is not intended for internal use.
  
  
  Solution:
  
  
  Check Number Range Configuration:
  
  Go to transaction code SNRO (Number Range Objects).
  Enter the relevant number range object and check the configuration.
  Ensure