SAP Message RECAAP116 - Internal error: new number for OBJNR already exists; &1: &2

Diagnosis
The system tried to determine a new OBJNR. A number was selectedthat was already used on the database.

System Response
The process of determining a new OBJNR number was terminated.
There is an inconsistency in the number range object. The current numberis a value that was already assigned.
It is not possible to save!

Procedure
Change the current number to a value that was not yet used in thesystem.
To change the current number, use transaction SNUM.