I tried to download and use the latest pentaho report version80 in odoo but i'm getting an Environments traceback error Kindly advice me with correct solution or the working modules of pentaho for odoo version 8

xcept_orm: (u'environments', (<type 'exceptions.AttributeError'>, AttributeError('environments',), <traceback object at 0x7fec277af0e0>))
WARNING odoo openerp.http: <function openerp.addons.web.controllers.main.index> returns an invalid response type for an http request