This guide is specific to Klevu module versions 2.x and 3.x. It is not required for version 4.x.
- In Magento 2.4.2, Magento has changed the JS for the Search box and while using Klevu, When you press or Submit Search result using the button, it does not work.
- To resolve this, please disable Magento Search suggestion by Navigating to admin > Stores > Settings > Configuration > Catalog > Catalog > Catalog Search and change the setting "Enable Search Suggestions" to No and refresh Magento Cache.