ZOOM Media Gallery

[Gabriel camposs]

Quando eu clico no lith box da est erro aqui

Fatal error: Unknown(): The script tried to execute a method or access a property of an incomplete object. Please ensure that the class definition lightbox of the object you are trying to operate on was loaded _before_ the session was started in  .../com_zoom/lightbox.php on line 59

Alguem pdoe me ajduar ?