Erro PHP

Olá

Quando adiciono videos no meu site aparece o seguinte erro acima do video:

Warning: array_count_values(): Can only count STRING and INTEGER values! in /home/u184528246/public_html/wp-content/themes/smartstart/functions/custom-functions.php on line 633 Warning: array_count_values(): Can only count STRING and INTEGER values! in /home/u184528246/public_html/wp-content/themes/smartstart/functions/custom-functions.php on line 633…..

Link:. http://crvtecs.com.br/portfolio-item/web-harlem-shake/

Gostaria de arrumar isso