My magento 2.2.1 website backend prompts "One or more indexers are invalid. Make sure your Magento cron job is running." How to solve this kind of error? Does it have a big impact?

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marked as duplicate by Manashvi Birla, Jai, Mohit Kumar Arora, Priyank, sv3n Nov 22 '18 at 9:57

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  • you need to run php bin/magento indexer:reindex command from your Magento project root – Hitesh Nov 22 '18 at 8:58

Please run the below command from your command line.

php bin/magento indexer:reindex

To resolve your indexer error.

If you want that to happen automatically then you will have to setup a cron job for that command to execute automatically.

  • If i don't handle it, will it affect the performance of your website? @Sourabh Kumar Sharma – nextion Nov 23 '18 at 15:47
  • If you run the required indexing manually when required, it won't affect the performance of your website. – Sourabh Kumar Sharma Nov 23 '18 at 16:05
  • thank you very much. I have cleaned up the index. @Sourabh Kumar Sharma – nextion Nov 23 '18 at 16:06

You need to setup Magento cron job so that reindexing will be handled by Magento. Or you need to run reindex command manually using command line.

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