php variable de session guarda una clase, despues como logro guardar datos.

[lushiru]

Fatal error: main(): The script tried to execute a method or access a property of an incomplete object. Please ensure that the class definition "controladorventas_temp" of the object you are trying to operate on was loaded _before_ unserialize() gets called or provide a __autoload() function to load the class definition in /home/u369062475/public_html/lucho/presentacion/aj_venta.php on line 61