The taxonomies do not work…

Hy haw can i make the taxonomies work,

my site is https://www.cinema.trancelevel.com

when i click on a taxonomy it show a 404 error..

register_post_type('persoane', array(	'label' => 'Persoane','description' => '','public' => true,'show_ui' => true,'show_in_menu' => true,'capability_type' => 'post','hierarchical' => true,
'rewrite' => array('slug' => ''),
'query_var' => true,'has_archive' => true,
'menu_position' => 5,'supports' => array('title','editor','custom-fields',),
'labels' => array (
  'name' => 'Persoane',
  'singular_name' => 'Persoana',
  'menu_name' => 'Persoane',
  'add_new' => 'Adauga ',
  'add_new_item' => 'Adauga persoana',
  'edit' => 'Editeaza',
  'edit_item' => 'Editeaza persoana',
  'new_item' => 'Persoana noua',
  'view' => 'Vezi persoana',
  'view_item' => 'Vezi persoana',
  'search_items' => 'Cauta persoana',
  'not_found' => 'Nici o persoana ',
  'not_found_in_trash' => 'Nici o persoana nu a fost gasita',
  'parent' => 'Parent Persoana',
),) );

register_taxonomy('persoane',array (
  0 => 'persoane',
),array( 'hierarchical' => true, 'label' => 'Categorie','show_ui' => true,'query_var' => true,'rewrite' => array('slug' => ''),'singular_label' => 'Persoana') );

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