Internal Server Error

array_unique() expects parameter 1 to be array, null given

[public/engine/parsers/contentGoogleJsonWeb.php:29] array_unique()
[public/engine/templ.php:1323] contentGoogleJsonWeb()
[public/engine/templ.php:1871] Templ->q_content()
[public/engine/templ.php:1809] Templ->parse_template()
[public/engine/controller.php:26] Templ->render()
[index.php:69] Base->run()