The number range & has not been created for customers

What causes this issue?

The named <GL:number_range>number range</> does not exist
in the number range file for customers. Internal number assignment is
therefore not possible.

How to fix this error?

You can maintain the <DS:SIMG.SIMG_CFMENUORFBXDN1>number
ranges</> for the various customers in Customizing.
INCLUDE ISR_CUSTOMIZING

Error message extract from SAP system. Copyright SAP SE.