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
