Shortcode module is not installed properly; gives “unable to install override:” message? -
If after installing your module, you are getting “unable to install override:” like message, it may be due to following two causes.
1. Inside of your root>prestashop>cache location, there is file named class_index.php Rename this file and try to install your module again.
2.Inside of your smartshortcode>override>controller>front, there is a file cmscontroller.php Copy this file and replace this at root>prestashop\override\controllers\front location.Then install your module. -
See this video