ObjectAlreadyExistsException ClassQuartz.NET API Documentation
An exception that is thrown to indicate that an attempt to store a new object (i.e. IJobDetail,ITrigger or ICalendar) in a IScheduler failed, because one with the same name and group already exists.
Inheritance Hierarchy

System Object
  System Exception
    Quartz SchedulerException
      Quartz JobPersistenceException
        Quartz ObjectAlreadyExistsException

Namespace: Quartz
Assembly: Quartz (in Quartz.dll) Version: 2.2.1.400
Syntax

[SerializableAttribute]
public class ObjectAlreadyExistsException : JobPersistenceException
See Also