System.NullReferenceException: Object reference not set to an instance of an object.
at OjkBjIIlbrzQBBcIoYlFPVxYjNrn.(IEnumerable`1 , Int32 )
at OjkBjIIlbrzQBBcIoYlFPVxYjNrn..()
at System.Threading.Tasks.Task.Execute()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at OjkBjIIlbrzQBBcIoYlFPVxYjNrn.z9A^(U2RVsl6bxI5#f6SDo0t'.MoveNext()