This error occurs when directly using the views_embed_view function inside a render function. Fix this by making it a variable first, and rendering it then.
$view = views_embed_view($viewName,$viewDisplayId);
$view = render($view);
This error occurs when directly using the views_embed_view function inside a render function. Fix this by making it a variable first, and rendering it then.
$view = views_embed_view($viewName,$viewDisplayId);
$view = render($view);