error upload image Wordpress 3.5 Minimatica

cari di function.php baris berikut :

add_action('init', 'minimatica_register_styles');

ganti dengan 

add_action('wp_enqueue_scripts', 'minimatica_register_styles');

sama baris berikut :

add_filter( 'ext2type', 'minimatica_mime_types' );

ganti dengan

add_filter( 'ext2type', 'minimatica_file_types' );

sumber http://www.onedesigns.com/support/topic/how-to-fix-issues-with-media-uploader-with-minimatica-in-wordpress-3-5