id	summary	reporter	owner	description	type	status	priority	milestone	component	version	severity	resolution	keywords	cc
415	sub-hourly timeset's doesn't work	Víctor de Buen Remiro	Víctor de Buen Remiro	"(sended by sbrajin)
This simple code 

  TimeSet HalfHourly = Mi(0)+Mi(30); 
  Set Dates(HalfHourly,y2006,y2006m01d03);

Returns unexpected error messages

  ERROR: [18] Conjunto temporal no progresivo $tmp$
  El sucesor de y2006m01d01 no puede ser y2006m01d01h02i00s00.000
  El cálculo será interrrumpido."	defect	closed	normal		TimeSetAlgebra	head	normal	fixed