Thought I should post this code which solved the problem:
The webhosting company said:
it seems is due to the code is not compatible with PHP 5. Below is the code we changed for your reference, in case you need to re-upload the files and may need to modified it. Please try the installation and see it will work for you now.
Orgaina taxonomy.php line 11 ~ 13
$wp_taxonomies = array();
$wp_taxonomies[‘category’] = (object) array(‘name’ => ‘category’, ‘object_type’ => ‘post’, ‘hierarchical’ => true, ‘update_count_callback’ => ‘_update_post_term_count’);
$wp_taxonomies[‘post_tag’] = (object) array(‘name’ => ‘post_tag’, ‘object_type’ => ‘post’, ‘hierarchical’ => false, ‘update_count_callback’ => ‘_update_post_term_count’);
$wp_taxonomies[‘link_category’] = (object) array(‘name’ => ‘link_category’, ‘object_type’ => ‘link’, ‘hierarchical’ => false);
Modified taxonomy.php line 11 ~ 13
$wp_taxonomies = array();
$wp_taxonomies[‘category’] = array(‘name’ => ‘category’, ‘object_type’ => ‘post’, ‘hierarchical’ => true, ‘update_count_callback’ => ‘_update_post_term_count’);
$wp_taxonomies[‘post_tag’] = array(‘name’ => ‘post_tag’, ‘object_type’ => ‘post’, ‘hierarchical’ => false, ‘update_count_callback’ => ‘_update_post_term_count’);
$wp_taxonomies[‘link_category’] = array(‘name’ => ‘link_category’, ‘object_type’ => ‘link’, ‘hierarchical’ => false);