Throw error Network error. Could not reach Snowflake

When using wrong account & username & password is then want to throw error but getting Network Error in console only.

`

let connectionPool = snowflake.createPool(
          {
            account: connectorData.account_id,
            username: connectorData.username,
            password: connectorData.password,
            authenticator: connectorData.connector_provider_type,
          },
          {
            max: 10,
            min: 0
          }
        )

`using connection pool.

How to throw error of wrong credentials?