Indexing issue

[pradeep38mail]

Preconditions

1. Magento 2.1.5, PHP 7.0.10, MYSQL 5.7.14

Steps to reproduce

1. i have set cron in server to run reindex using below code

* * * * * /usr/bin/php bin/magento cron:run | grep -v "Ran jobs by schedule" >> var/log/magento.cron.log
* * * * * /usr/bin/php update/cron.php >> var/log/update.cron.log
* * * * * /usr/bin/php bin/magento setup:cron:run >> var/log/setup.cron.log

Expected result

1. Cron should reindex indexers after every minute

Actual result

1.In my cron_schedule table i can see there is error for the indexers "Table status for targetrule_product_rule_cl is incorrect. Can`t fetch version id."