The following error message pops up:
The file [...]/engine/Shopware/Plugins/Community/Core/SwagLicense/Bootstrap.php was encoded by the ionCube Encoder for PHP 5.6 and cannot run under PHP 7.1.
Please ask the provider of the script to provide a version encoded with the ionCube Encoder for PHP 7.1.
You are currently using PHP 7.1, which is compatible with Shopware but not with Shopware plugins, encrypted with ionCube Loader.
Please switch to PHP 7.0. In case you need further assistance on how to switch PHP versions, please contact your host.