Ошибка в классе JTableAsset (предложения по решению) - Joomla 3.x: Общие вопросы

	/**
	 * Method to recursively rebuild the whole nested set tree.
	 *
	 * @param   integer  $parentId  The root of the tree to rebuild.
	 * @param   integer  $leftId    The left id to start with in building the tree.
	 * @param   integer  $level     The level to assign to the current nodes.
	 *
	 * @return  integer  1 + value of root rgt on success, false on failure
	 *
	 * @throws  RuntimeException on database error.
	 */
	public function rebuild($parentId = null, $leftId = 0, $level = 0)
	{
		// If no parent is provided, try to find it.
		if ($parentId === null)
		{
			// Get the root item.
			$parentId = $this->getRootId();

			if ($parentId === false)
			{
				return false;
			}
		}

		$query = $this->_db->getQuery(true);

		// Build the structure of the recursive query.
		if (!isset($this->_cache['rebuild.sql']))
		{
			$query->clear()
				->select($this->_tbl_key)
				->from($this->_tbl)
				->where('parent_id = %d')
				->order('parent_id, lft');

			$this->_cache['rebuild.sql'] = (string) $query;
		}

		// Make a shortcut to database object.

		// Assemble the query to find all children of this node.
		$this->_db->setQuery(sprintf($this->_cache['rebuild.sql'], (int) $parentId));

		$children = $this->_db->loadObjectList();

		// The right value of this node is the left value + 1
		$rightId = $leftId + 1;

		// Execute this function recursively over all children
		foreach ($children as $node)
		{
			/*
			 * $rightId is the current right value, which is incremented on recursion return.
			 * Increment the level for the children.
			 */
			$rightId = $this->rebuild($node->{$this->_tbl_key}, $rightId, $level + 1); //в классе JTableNested заменить на _rebuildWithoutAlias !

			// If there is an update failure, return false to break out of the recursion.
			if ($rightId === false)
			{
				return false;
			}
		}

		// We've got the left value, and now that we've processed
		// the children of this node we also know the right value.
		$query->clear()
			->update($this->_tbl)
			->set('lft = ' . (int) $leftId)
			->set('rgt = ' . (int) $rightId)
			->set('level = ' . (int) $level)
			->where($this->_tbl_key . ' = ' . (int) $parentId);
		$this->_db->setQuery($query)->execute();

		// Return the right value of this node + 1.
		return $rightId + 1;
	}

	/**
	 * код метода rebuild для класса JTableNested
	 */
	public function rebuild($parentId = null, $leftId = 0, $level = 0, $path = '') {
		$fields = $this->getFields();

		if (isset($fields['alias'])) {
			return $this->_rebuildWithAlias($parentId, $leftId, $level, $path);
		} else {
			return $this->_rebuildWithoutAlias($parentId, $leftId, $level);
		}
	}