Why my shipping method can not be added to the shopping cart?

debug mode. information below

Customer matched zone “??”
Easypost.com debug mode is on – to hide these messages, turn debug mode off in the settings.
EASYPOST REQUEST:
Array
(
[from_address] => Array
(
[name] => henry
[company] => herbmaid
[street1] => convoy
[street2] =>
[city] => san diego
[state] => ca
[zip] => 92126
[phone] => 6199402404
)

[to_address] => Array
(
[name] => –
[street1] => –
[zip] => 10024
[country] => US
)

[parcel] => Array
(
[length] => 0
[width] => 0
[height] => 0
[weight] => 19
)

[options] => Array
(
[special_rates_eligibility] => USPS.LIBRARYMAIL,USPS.MEDIAMAIL
)

)

Easypost.com – Unable to Get Rates: Unable to access the requested resource, authorization failed.

EasyPost\Error Object ( [message:protected] => Unable to access the requested resource, authorization failed. [string:Exception:private] => [code:protected] => 0 [file:protected] => /home2/herbmaid/public_html/sofunoc/wp-content/plugins/easypost-woocommerce-shipping/EasyPost/Requestor.php [line:protected] => 268 [trace:Exception:private] => Array ( [0] => Array ( [file] => /home2/herbmaid/public_html/sofunoc/wp-content/plugins/easypost-woocommerce-shipping/EasyPost/Requestor.php [line] => 252 [function] => handleApiError [class] => EasyPost\Requestor [type] => -> [args] => Array ( [0] => {“error”:{“code”:”UNAUTHORIZED”,”message”:”Unable to access the requested resource, authorization failed.”,”errors”:[]}} [1] => 401 [2] => Array ( [error] => Array ( [code] => UNAUTHORIZED [message] => Unable to access the requested resource, authorization failed. [errors] => Array ( ) ) ) ) ) [1] => Array ( [file] => /home2/herbmaid/public_html/sofunoc/wp-content/plugins/easypost-woocommerce-shipping/EasyPost/Requestor.php [line] => 123 [function] => _interpretResponse [class] => EasyPost\Requestor [type] => -> [args] => Array ( [0] => {“error”:{“code”:”UNAUTHORIZED”,”message”:”Unable to access the requested resource, authorization failed.”,”errors”:[]}} [1] => 401 ) ) [2] => Array ( [file] => /home2/herbmaid/public_html/sofunoc/wp-content/plugins/easypost-woocommerce-shipping/EasyPost/EasypostResource.php [line] => 141 [function] => request [class] => EasyPost\Requestor [type] => -> [args] => Array ( [0] => post [1] => /shipments [2] => Array ( [shipment] => Array ( [from_address] => Array ( [name] => henry [company] => herbmaid [street1] => convoy [street2] => [city] => san diego [state] => ca [zip] => 92126 [phone] => 6199402404 ) [to_address] => Array ( [name] => – [street1] => – [zip] => 10024 [country] => US ) [parcel] => Array ( [length] => 0 [width] => 0 [height] => 0 [weight] => 19 ) [options] => Array ( [special_rates_eligibility] => USPS.LIBRARYMAIL,USPS.MEDIAMAIL ) ) ) [3] => 1 ) ) [3] => Array ( [file] => /home2/herbmaid/public_html/sofunoc/wp-content/plugins/easypost-woocommerce-shipping/EasyPost/Shipment.php [line] => 56 [function] => _create [class] => EasyPost\EasypostResource [type] => :: [args] => Array ( [0] => EasyPost\Shipment [1] => Array ( [shipment] => Array ( [from_address] => Array ( [name] => henry [company] => herbmaid [street1] => convoy [street2] => [city] => san diego [state] => ca [zip] => 92126 [phone] => 6199402404 ) [to_address] => Array ( [name] => – [street1] => – [zip] => 10024 [country] => US ) [parcel] => Array ( [length] => 0 [width] => 0 [height] => 0 [weight] => 19 ) [options] => Array ( [special_rates_eligibility] => USPS.LIBRARYMAIL,USPS.MEDIAMAIL ) ) ) [2] => ) ) [4] => Array ( [file] => /home2/herbmaid/public_html/sofunoc/wp-content/plugins/easypost-woocommerce-shipping/includes/class-wf-shipping-easypost.php [line] => 661 [function] => create [class] => EasyPost\Shipment [type] => :: [args] => Array ( [0] => Array ( [shipment] => Array ( [from_address] => Array ( [name] => henry [company] => herbmaid [street1] => convoy [street2] => [city] => san diego [state] => ca [zip] => 92126 [phone] => 6199402404 ) [to_address] => Array ( [name] => – [street1] => – [zip] => 10024 [country] => US ) [parcel] => Array ( [length] => 0 [width] => 0 [height] => 0 [weight] => 19 ) [options] => Array ( [special_rates_eligibility] => USPS.LIBRARYMAIL,USPS.MEDIAMAIL ) ) ) ) ) [5] => Array ( [file] => /home2/herbmaid/public_html/sofunoc/wp-content/plugins/easypost-woocommerce-shipping/includes/class-wf-shipping-easypost.php [line] => 522 [function] => get_result [class] => WF_Easypost [type] => -> [args] => Array ( [0] => Array ( [request] => Array ( [Rate] => Array ( [FromZIPCode] => 92126 [ToZIPCode] => 10024 [ToCountry] => US [WeightLb] => 1 [WeightOz] => 19 [PackageType] => Package [Length] => 0 [Width] => 0 [Height] => 0 [ShipDate] => 2017-08-21 [InsuredValue] => 0 [RectangularShaped] => false ) ) [quantity] => 1 ) ) ) [6] => Array ( [file] => /home2/herbmaid/public_html/sofunoc/wp-content/plugins/woocommerce/includes/abstracts/abstract-wc-shipping-method.php [line] => 205 [function] => calculate_shipping [class] => WF_Easypost [type] => -> [args] => Array ( [0] => Array ( [contents] => Array ( [83b7e1c6a22424f5b4c47bb30798b770] => Array ( [product_id] => 12872 [variation_id] => 0 [variation] => Array ( ) [quantity] => 1 [line_total] => 23 [line_subtotal] => 23 [line_tax] => 0 [line_subtotal_tax] => 0 [line_tax_data] => Array ( [total] => Array ( ) [subtotal] => Array ( ) ) [data] => WC_Product_Simple Object ( [object_type:protected] => product [post_type:protected] => product [cache_group:protected] => products [data:protected] => Array ( [name] => vicker test [slug] => vicker-test [date_created] => WC_DateTime Object ( [utc_offset:protected] => 0 [date] => 2017-08-10 06:27:23.000000 [timezone_type] => 3 [timezone] => America/Santiago ) [date_modified] => WC_DateTime Object ( [utc_offset:protected] => 0 [date] => 2017-08-20 18:47:41.000000 [timezone_type] => 3 [timezone] => America/Santiago ) [status] => publish [featured] => [catalog_visibility] => visible [description] => ????????????????????????????????????????????????????????????????? [short_description] => [ew_listing custom_class=”” style_class=””]your_content[/ew_listing][heading size=””]your_content[/heading][icon icon=”” color=””] [wd_ptable title=”Standard” active=”no” price=”19″ currency=”$” price_period=”/mo” link=”#” button_text=”Sign up now!”][/wd_ptable] ??? 30 ml ??? ?? ??? Vicker [sku] => 00761-2 [price] => 23 [regular_price] => 25 [sale_price] => 23 [date_on_sale_from] => [date_on_sale_to] => [total_sales] => 0 [tax_status] => taxable [tax_class] => [manage_stock] => 1 [stock_quantity] => 100 [stock_status] => instock [backorders] => no [sold_individually] => [weight] => 1.2 [length] => [width] => [height] => [upsell_ids] => Array ( ) [cross_sell_ids] => Array ( ) [parent_id] => 0 [reviews_allowed] => 1 [purchase_note] => [attributes] => Array ( ) [default_attributes] => Array ( ) [menu_order] => 0 [virtual] => [do_shortcode [args] => Array ( [0] => [woocommerce_cart] ) ) [18] => Array ( [file] => /home2/herbmaid/public_html/sofunoc/wp-includes/plugin.php [line] => 203 [function] => apply_filters [class] => WP_Hook [type] => -> [args] => Array ( [0] => [woocommerce_cart] [1] => Array ( [0] => [woocommerce_cart] ) ) ) [19] => Array ( [file] => /home2/herbmaid/public_html/sofunoc/wp-includes/post-template.php [line] => 240 [function] => apply_filters [args] => Array ( [0] => the_content [1] => [woocommerce_cart] ) ) [20] => Array ( [file] => /home2/herbmaid/public_html/sofunoc/wp-content/themes/wp_oswad_market/page.php [line] => 83 [function] => the_content [args] => Array ( ) ) [21] => Array ( [file] => /home2/herbmaid/public_html/sofunoc/wp-includes/template-loader.php [line] => 74 [args] => Array ( [0] => /home2/herbmaid/public_html/sofunoc/wp-content/themes/wp_oswad_market/page.php ) [function] => include ) [22] => Array ( [file] => /home2/herbmaid/public_html/sofunoc/wp-blog-header.php [line] => 19 [args] => Array ( [0] => /home2/herbmaid/public_html/sofunoc/wp-includes/template-loader.php ) [function] => require_once ) [23] => Array ( [file] => /home2/herbmaid/public_html/sofunoc/index.php [line] => 17 [args] => Array ( [0] => /home2/herbmaid/public_html/sofunoc/wp-blog-header.php ) [function] => require ) ) [previous:Exception:private] => [httpStatus] => 401 [httpBody] => {“error”:{“code”:”UNAUTHORIZED”,”message”:”Unable to access the requested resource, authorization failed.”,”errors”:[]}} [jsonBody] => Array ( [error] => Array ( [code] => UNAUTHORIZED [message] => Unable to access the requested resource, authorization failed. [errors] => Array ( ) ) ) [param] => [errors] => [ecode] => UNAUTHORIZED )

Easypost.com – Unknown error while processing Rates.