Exception when can't find background file
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fbellucci,
valeriobruno
When loading a composer state Edutangram throws an exception if background path is incorrect.
TypeError: Error #1009: Cannot access a property or method of a null object reference.
at edutangram.graphic::Landscape/initListener()[C:\Users\Valerio\Documents\Flex Builder 3\EduTangram\src\edutangram\graphic\Landscape.as:148]