$ wp --allow-root plugin activate list-grid-buttons-for-woocommerce
list-grid-buttons-for-woocommerce has failed (non-zero exit code) for ‘activating the plugin’:
Warning: Use of undefined constant WP_DEBUG - assumed ‘WP_DEBUG’ (this will throw an Error in a future version of PHP) in phar:///usr/local/bin/wp/vendor/wp-cli/wp-cli/php/WP_CLI/Runner.php(1197) : eval()'d code on line 67
Warning: The ‘list-grid-buttons-for-woocommerce’ plugin could not be found.
Error: No plugins activated.