Attempt to assign property "type" on bool in ctools_content_render(

diff --git a/docroot/sites/all/modules/contrib/ctools/includes/content.inc b/docroot/sites/all/modules/contrib/ctools/includes/content.inc
index 49c356502..0c67c91d0 100644
--- a/docroot/sites/all/modules/contrib/ctools/includes/content.inc
+++ b/docroot/sites/all/modules/contrib/ctools/includes/content.inc
@@ -293,7 +293,7 @@ function ctools_content_render($type, $subtype, $conf, $keywords = array(), $arg

$content = $function($subtype, $conf, $args, $pane_context, $incoming_content);

- if (empty($content)) {
+ if (empty($content) || !is_object($content)) {
return;
}

This patch solved my issue.

i have added a patch with these changes .