Notice: Trying to get property of non-object & Undefined property

-- HikaShop version -- : 3.4.0
-- Joomla version -- : 3.8.6
-- PHP version -- : 7.1.16
-- Browser(s) name and version -- : Chrome 65.0.3325.18
-- Error-message(debug-mod must be tuned on) -- : When going to Shipping and adding a new shipping method i get the following
Notice: Trying to get property of non-object in ....../components/com_hikashop/classes/shipping.php on line 903

Prefix:Notice: Undefined property: stdClass::$shipping_zip_prefix in ..../public_html/administrator/components/com_hikashop/views/plugins/tmpl/form.php on line
Minimum post code:Notice: Undefined property: stdClass::$shipping_min_zip in ..../public_html/administrator/components/com_hikashop/views/plugins/tmpl/form.php on line
Maximum post code:Notice: Undefined property: stdClass::$shipping_max_zip in ..../public_html/administrator/components/com_hikashop/views/plugins/tmpl/form.php on line
Suffix:Notice: Undefined property: stdClass::$shipping_zip_suffix in ..../public_html/administrator/components/com_hikashop/views/plugins/tmpl/form.php on line
Zone:

When going into the shipping method we get the following
for Override tax zone
Notice: Trying to get property of non-object in .../public_html/administrator/components/com_hikashop/views/plugins/tmpl/form.php on line Notice: Trying to get property of non-object in .../public_html/administrator/components/com_hikashop/views/plugins/tmpl/form.php on line
for Zone
Notice: Undefined property: stdClass::$zone_id in .../public_html/administrator/components/com_hikashop/views/plugins/tmpl/form.php on line Notice: Undefined property: stdClass::$zone_name_english in .../public_html/administrator/components/com_hikashop/views/plugins/tmpl/form.php on lin

When going into PayPal Payment method i get similar errors too

Notice: Undefined property: stdClass::$payment_published in .../public_html/administrator/components/com_hikashop/views/plugins/tmpl/form.php on line

When going to Shipping and adding a new shipping method i get the following
Notice: Trying to get property of non-object in ....../components/com_hikashop/classes/shipping.php on line 903

Prefix:Notice: Undefined property: stdClass::$shipping_zip_prefix in ..../public_html/administrator/components/com_hikashop/views/plugins/tmpl/form.php on line
Minimum post code:Notice: Undefined property: stdClass::$shipping_min_zip in ..../public_html/administrator/components/com_hikashop/views/plugins/tmpl/form.php on line
Maximum post code:Notice: Undefined property: stdClass::$shipping_max_zip in ..../public_html/administrator/components/com_hikashop/views/plugins/tmpl/form.php on line
Suffix:Notice: Undefined property: stdClass::$shipping_zip_suffix in ..../public_html/administrator/components/com_hikashop/views/plugins/tmpl/form.php on line
Zone:

When going into the shipping method we get the following
for Override tax zone
Notice: Trying to get property of non-object in .../public_html/administrator/components/com_hikashop/views/plugins/tmpl/form.php on line Notice: Trying to get property of non-object in .../public_html/administrator/components/com_hikashop/views/plugins/tmpl/form.php on line
for Zone
Notice: Undefined property: stdClass::$zone_id in .../public_html/administrator/components/com_hikashop/views/plugins/tmpl/form.php on line Notice: Undefined property: stdClass::$zone_name_english in .../public_html/administrator/components/com_hikashop/views/plugins/tmpl/form.php on lin

When going into PayPal Payment method i get similar errors too

Notice: Undefined property: stdClass::$payment_published in .../public_html/administrator/components/com_hikashop/views/plugins/tmpl/form.php on line

Hello,

Notice error isn't important error and are close to impossible to all eliminate it, that's because your Joomla Debug Error reporting level is too high maybe Development ?...

So far I don't see any error that can leads HikaShop to don't works.
Regards