I believe that must be an authentication issue. this is my connection variables:

define("NS_ENDPOINT", "2020_2");

define(“NS_HOST”, “https://5478095.suitetalk.api.netsuite.com”); define(“NS_ACCOUNT”, “5478095”); define(“NS_CONSUMER_KEY”, “HIDDEN”); define(“NS_CONSUMER_SECRET”, “HIDDEN”); define(“NS_TOKEN”, “HIDDEN”); define(“NS_TOKEN_SECRET”, “HIDDEN”);