public function load($objectID) {
        $object = $this->read($objectID);

        if (count($object) === 0) {
            throw new RuntimeException('Object not found');
        }

        if (!array_key_exists('objecttype', $object)) {
            throw new RuntimeException(sprintf(
                'Object %s has no type',
                $objectID
            ));
        }

        $cmdbObjectTypeCategories = new CMDBObjectTypeCategories($this->api);

        $object += $cmdbObjectTypeCategories->readByID(
            $object['objecttype']
        );

        $cmdbCategory = new CMDBCategory($this->api);

        $categoryTypes = ['catg', 'cats', 'custom'];

        $cmdbCategoryInfo = new CMDBCategoryInfo($this->api);
        $blacklistedCategoryConstants = $cmdbCategoryInfo->getVirtualCategoryConstants();

        foreach ($categoryTypes as $categoryType) {
            if (!array_key_exists($categoryType, $object)) {
                continue;
            }

            $categoryConstants = [];

            for ($i = 0; $i < count($object[$categoryType]); $i++) {
                if (!array_key_exists('const', $object[$categoryType][$i])) {
                    throw new RuntimeException(
                        'Information about categories is broken. Constant is missing.'
                    );
                }

                $categoryConstant = $object[$categoryType][$i]['const'];

                if (in_array($categoryConstant, $blacklistedCategoryConstants)) {
                    continue;
                }

                $object[$categoryType][$i]['entries'] = [];

                $categoryConstants[] = $categoryConstant;
            }

            $categoryEntries = $cmdbCategory->batchRead([$objectID], $categoryConstants);

            for ($i = 0; $i < count($categoryConstants); $i++) {
                $index = -1;
                $entries = [];

                foreach ($object[$categoryType] as $key => $category) {
                    if ($category['const'] === $categoryConstants[$i]) {
                        $index = $key;
                        $entries = $categoryEntries[$i];
                        break;
                    }
                }

                $object[$categoryType][$index]['entries'] = $entries;
            }
        }

        return $object;
    }