Template Enfold en Wordpress

El detalle que tenemos es en cuestión a la instalación de un template (Enfold) en WordPress, pero que hasta ahorita nadia a podido resolver. Ya que nos arroja esta serie de errores:

Warning: fopen() [function.fopen]: safe mode restriction in effect. The script whose uid is 896 is not allowed to access /tmp owned by uid 0 in /home/onstrate/domains/on-strategy.com/public_html/es/wp-admin/includes/class-wp-filesystem-ftpext.php on line 155

Warning: fopen(/tmp/404-ObIpjg.tmp) [function.fopen]: failed to open stream: No such file or directory in /home/onstrate/domains/on-strategy.com/public_html/es/wp-admin/includes/class-wp-filesystem-ftpext.php on line 155

Warning: unlink() [function.unlink]: safe mode restriction in effect.
The script whose uid is 896 is not allowed to access /tmp owned by uid 0 in /home/onstrate/domains/on-strategy.com/public_html/es/wp-admin/includes/class-wp-filesystem-ftpext.php on line 158
No ha sido posible copiar el archivo. Enfold/404.php