Error in depracated call table

I have an error :

Notice: Undefined property: stdClass::$delete_posts in D:\wamp\www\wordpress\wp-admin\includes\class-wp-posts-list-table.php on line 209

protected function get_bulk_actions() {
		$actions = array();
		$post_type_obj = get_post_type_object( $this->screen->post_type );

		if ( $this->is_trash ) {
			$actions['untrash'] = __( 'Restore' );
		} else {
			$actions['edit'] = __( 'Edit' );
		}

# 209 #---->		if ( current_user_can( $post_type_obj->cap->delete_posts ) ) {
			if ( $this->is_trash || ! EMPTY_TRASH_DAYS ) {
				$actions['delete'] = __( 'Delete Permanently' );
			} else {
				$actions['trash'] = __( 'Move to Trash' );
			}
		}

		return $actions;
	}

https://wordpress.org/plugins/log-deprecated-notices/