Getting error in wordpress site while trying to create new portfolio "'Argument ID must be numeric and greater than 0.'"

Hi everyoneI need help with the following, I am getting internal server error when I am trying to add new portfolio in my wordpress site.

Fatal error: Uncaught exception 'InvalidArgumentException' with message 'Argument ID must be numeric and greater than 0.' in /var/www/html/gar/wp-content/plugins/sitepress-multilingual-cms/classes/translations/class-wpml-translation-element.php:28 Stack trace:

0 /var/www/html/gar/wp-content/plugins/sitepress-multilingual-cms/classes/translations/class-wpml-translation-element-factory.php(35): WPML_Translation_Element->__construct(0, Object(SitePress), NULL)

1 /var/www/html/gar/wp-content/plugins/wpml-translation-management/classes/words-count/hooks/wpml-tm-word-count-refresh-hooks.php(39): WPML_Translation_Element_Factory->create(0, 'post')

2 [internal function]: WPML_TM_Word_Count_Refresh_Hooks->refresh_post_word_count(0)

3 /var/www/html/gar/wp-includes/plugin.php(525): call_user_func_array(Array, Array)

4 /var/www/html/gar/wp-includes/post.php(3385): do_action('save_post', 0, NULL, false)

5 /var/www/html/gar/wp-admin/includes/post.php(625): wp_insert_post(Array)

6 /var/www/html/gar/wp-admin/post-new.php(83): get_ in /var/www/html/gar/wp-content/plugins/sitepress-multilingual-cms/classes/translations/class-wpml-translation-element.php on line 28

Who knows what can I do ?