seek & destroy

this is the error i'm getting, after activating debug, this error came up upon the plugin instalation Warning: include_once(): Failed opening '/www/wwwroot/domain.com/wp-content/plugins/woocommerce-external-product-embed-3.0.0/vendor/autoload.php' for inclusion (include_path='.:') in /www/wwwroot/domain.com/wp-content/plugins/woocommerce-external-product-embed-3.0.0/woocommerce-external-product-embed.php on line 54

i did as mentioned, and highly apologize for it, now the error is gone, and now i get API Connection Error. Check the Consumer Key. which is rare cause thereit's...