I am using following configurations for my magento2 project

Ubuntu 18.04
PHP 7.2
Elastic Search 7.x
Magento 2.3.5-p1

When i enabled elastic search in magento2 admin panel , the connection was successful but getting below error when i run indexer or navigates to category pages.

Fatal error: Uncaught Error: Cannot instantiate interface Magento\AdvancedSearch\Model\Client\ClientOptionsInterface in /var/www/html/myproj/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php:121 Stack trace: 
#0 /var/www/html/myproj/vendor/magento/framework/ObjectManager/Factory/Compiled.php(108): Magento\Framework\ObjectManager\Factory\AbstractFactory->createObject('Magento\\Advance...', Array) 
#1 /var/www/html/myproj/vendor/magento/framework/ObjectManager/Factory/Compiled.php(150): Magento\Framework\ObjectManager\Factory\Compiled->create('Magento\\Advance...') 
#2 /var/www/html/myproj/vendor/magento/framework/ObjectManager/Factory/Compiled.php(79): Magento\Framework\ObjectManager\Factory\Compiled->get('Magento\\Advance...') 
#3 /var/www/html/myproj/vendor/magento/framework/ObjectManager/Factory/Compiled.php(150): Magento\Framework\ObjectManager\Factory\Compiled->create('Magento\\Elastic...') 
#4 /var/www/html/myproj/vendor/magento/framework/ObjectManager/Factory/Compiled.php(79): Magento\Framework\ObjectMan in /var/www/html/myproj/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php on line 121

Any solution for this?

  • Have you tried clearing the cache and generated files? rm -rf ./generated/code && magento cache:clean && magento indexer:reindex Commented Sep 16, 2020 at 15:49
  • yes no use of this
    – Dinesh
    Commented Oct 1, 2020 at 3:52

1 Answer 1


Check if the required modules are installed and enabled.

In my case (during an update from Magento 2.3 to Magento 2.4) the modules "Magento_Elasticsearch" and "Magento_Elasticsearch6" were disabled.

"Magento_Elasticsearch" contains the implementation of the "Magento\AdvancedSearch\Model\Client\ClientOptionsInterface".

  • 1
    This should be accepted, 2 days wasted. if that module is required magento should have enabled by default
    – Flak
    Commented Jan 22, 2021 at 16:08
  • thank you so much, saved me ages trying to work out the root cause, I agree with ^
    – John
    Commented Dec 3, 2021 at 8:50
  • I enabled this extension but still error
    – huykon225
    Commented Jan 25, 2022 at 4:48

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