Error on install

The plugin throws this error on install:

`Uncaught Error: Class ‘Sidecar_Plugin_Base’ not found in wp-content/plugins/dmca-badge/classes/class-plugin.php:22
Stack trace:
#0 wp-content/plugins/dmca-badge/dmca-badge-loader.php(12): require()
#1 wp-content/plugins/dmca-badge/libraries/imperative/imperative.php(481): require_once(‘/var/www/wordpr…’)
#2 wp-content/plugins/dmca-badge/libraries/imperative/imperative.php(269): WP_Library_Manager->_load_plugin_loaders()
#3 wp-includes/class-wp-hook.php(309): WP_Library_Manager->activate_plugin()
#4 wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters()
#5 wp-includes/plugin.php(474): WP_Hook->do_action()
#6 wp-admin/includes/plugin.php(674): do_action()`

in wp-content/plugins/dmca-badge/classes/class-plugin.php+22