Best plugin But need minor correction

I am using your plugin is working good but not gives 100 percent. When I add re captha and after completing it. When I click on ask question than this error is showing- Warning: array_keys() expects parameter 1 to be array, string given in /home/biologyn/public_html/website name.com/wp-content/plugins/anspress-question-answer/includes/class/roles-cap.php on line 1094

Warning: array_intersect(): Argument #2 is not an array in /home/website/public_html/website.com/wp-content/plugins/anspress-question-