Erro ativação de Pluguin SEO BY YOSTA

Ola caros amigos bom dia,

Nesse site http://brasilianhost.com.br/ corre tudo bem até quando eu não ativo o pklguin SEO BY YOAT, após isso ele pede tipo um include veja nesse erro abaixo

Warning: include(/home/brasilia/public_html/wp-content/themes/megahost/inc/custom-zones/zones-code/.php) [function.include]: failed to open stream: No such file or directory in /home/brasilia/public_html/wp-content/themes/megahost/page.php on line 68

Warning: include() [function.include]: Failed opening '/home/brasilia/public_html/wp-content/themes/megahost/inc/custom-zones/zones-code/.php' for inclusion (include_path='.:/usr/lib/php:/usr/local/lib/php') in /home/brasilia/public_html/wp-content/themes/megahost/page.php on line 68

Se alguem puder me ajudar ficaria agradecido