Message SAP WTADDI009 - No doc. no. can be generated for additional in number range &, interval &

Diagnosis
The system must assign a document number so thatadditionals can begenerated. For this, a number from interval&V2& in the number rangeobject &V1& is required. The system cannot assign the number.

System Response
Posting is cancelled.

Procedure
Correct interval&V2& for number range object&V1& (executefunction).
Contact you system administration if you do not have authorization tomaintain your entry. When you have rectified the problem, create thedocument that you processed already.