SAP Message Q0133 - The number assignment (object &1) is in the critical range

Diagnosis
The number assignment for number range &V2& (number range object &V1&)is located in a critical area. This means that the supply of freenumbers is close to being exhausted and the operation mayno longer be trouble-free.

Procedure
The current transaction is not affected. Nevertheless, contact yoursystem administrator. The number range must be expanded.