Number range & for purchase requisitions not defined

What causes this issue?

<GL:number_range>Number range</> &V1& for the document number you
entered has not been defined for <GL:purchase_requisition>purchase
requisitions</>.

How to fix this error?

INCLUDE EINGABE_PRUEFEN_NA LANGUAGE EN
INCLUDE SYSADMIN_NA LANGUAGE EN
The latter can make the necessary settings using the Implementation
Guide (IMG) <DS:SIMG.SIMG_CFMENUOLMEOMEB>Define document types and
number ranges</>

Error message extract from SAP system. Copyright SAP SE.