One or more indexers are invalid. Make sure your Magento cron job is running.

[kartik_sharma]

How to solve this issue :-

One or more indexers are invalid. Make sure your Magento cron job is running. 

[Rakesh Jesadiya]

You need to run indexer command,

Login with your SSH and go to magento root folder using Command line,

Now run command,

php bin/magento indexer:reindex

Let me know if you have still issue.

[Manthan Dave]

Its notice/warning to reindex the database.

logged in to SSH terminal by given credentials and run below commands.

php bin/magento indexer:reindex

After reindexing you need to clear your cache so run below commands.

php bin/magento cache:clean

php bin/magento cache:flush

[kartik_sharma]

Thanks,

now admin section is working .

But in front end site is not working .  

please check this link  http://raceshop.ca/magento/customer/account/create/ 

[Rakesh Jesadiya]

@kartik_sharma, I have checked your site and its working fine in frontend also.

Please, clear cache and Clear browser cache and cookie.

run command,

php bin/magento cache:flush