Warning: array_keys() expects parameter 1 to be array, string given in /home/

When I added recaptcha and click on ask question than this error is showing. Please solve it. Also search button is showing white.
Website name renamed –
Errors showing:
Warning: array_keys() expects parameter 1 to be array, string given in /home/website/public_html/website.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-answer/includes/class/roles-cap.php on line 1095

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