Tutorial:

Install the plugin and use this key to activate: 24Y2493470037207F

The licence given has been flagged! To overcome this issue

You can solve that just need to remove this lines in \wp-content\plugins\all-in-one-seo-pack-pro\pro\plugin-updates\plugin-update-checker.php

Remove this code:

Quote:

if ( empty($this->slug) ){
$this->slug = basename($this->pluginFile, '.php');
}
if ( empty($this->optionName) ){
$this->optionName = 'external_updates' . $this->slug;
}