Equipment number & not in external interval

What causes this issue?

The number that want to give the piece of <GL:equipment>equipment</>
is not contained in the <GL:number_range>number range</> provided for
externally assigned numbers.

System Response

INCLUDE 'KEINE-VERARBEITUNG' OBJECT DOKU ID TX LANGUAGE E

How to fix this error?

Enter a suitable number.
If you do not know the number range, you can display it using the
customizing function.

Error message extract from SAP system. Copyright SAP SE.