If you are not able to use the Lusha plugin on Chrome please try the following:
Open your Chrome web browser, navigate to chrome://extensions and search for "Lusha".
Locate the Lusha plugin
Press the 'Details' button
Scroll all the way to 'Site Access' and make sure the 'Automatically allow access on the following sites' is switched on.
If the issue persists please try updating the plugin by following this article.