Magento shows error message when trying to make payment with PayPal
In my Magento 1.9.3.3 community, there were some customers trying to make payment by PayPal but seeing the error "There was an error processing your order. Please contact us or try again later". In exception log found the following:
How do I know what was wrong and fix it?
I tried to add adding log as mentioned in this forum https://community.magento.com/t5/Payments-PayPal/PayPal-response-hasn-t-required-fields-AMT-field-is-deprecated/td-p/51852 and seeing the same log message "PayPal response hasn't required fields - AMT". But there is no solution yet.
exception 'Exception' with message 'PayPal response hasn't required fields.' in C:\Web\mystore\app\code\core\Mage\Paypal\Model\Api\Nvp.php:996
Stack trace:
C:\Web\mystore\app\code\core\Mage\Paypal\Model\Api\Nvp.php(644): Mage_Paypal_Model_Api_Nvp->call('DoExpressChecko...', Array)
C:\Web\mystore\app\code\core\Mage\Paypal\Model\Express.php(581): Mage_Paypal_Model_Api_Nvp->callDoExpressCheckoutPayment()
C:\Web\mystore\app\code\core\Mage\Paypal\Model\Express.php(377): Mage_Paypal_Model_Express->_placeOrder(Object(Mage_Sales_Model_Order_Payment), '987')
C:\Web\mystore\app\code\core\Mage\Sales\Model\Order\Payment.php(443): Mage_Paypal_Model_Express->capture(Object(Mage_Sales_Model_Order_Payment), '987')
C:\Web\mystore\app\code\core\Mage\Sales\Model\Order\Invoice.php(395): Mage_Sales_Model_Order_Payment->capture(Object(Mage_Sales_Model_Order_Invoice))
C:\Web\mystore\app\code\core\Mage\Sales\Model\Order\Payment.php(608): Mage_Sales_Model_Order_Invoice->capture()
C:\Web\mystore\app\code\core\Mage\Sales\Model\Order\Payment.php(410): Mage_Sales_Model_Order_Payment->_invoice()
C:\Web\mystore\app\code\core\Mage\Sales\Model\Order\Payment.php(348): Mage_Sales_Model_Order_Payment->capture(NULL)
C:\Web\mystore\app\code\core\Mage\Sales\Model\Order.php(896): Mage_Sales_Model_Order_Payment->place()
C:\Web\mystore\app\code\core\Mage\Sales\Model\Order.php(1114): Mage_Sales_Model_Order->_placePayment()
[internal function]: Mage_Sales_Model_Order->place()
C:\Web\mystore\app\code\core\Mage\Core\Model\Resource\Transaction.php(105): call_user_func(Array)
C:\Web\mystore\app\code\core\Mage\Core\Model\Resource\Transaction.php(159): Mage_Core_Model_Resource_Transaction->_runCallbacks()
C:\Web\mystore\app\code\core\Mage\Sales\Model\Service\Quote.php(189): Mage_Core_Model_Resource_Transaction->save()
C:\Web\mystore\app\code\core\Mage\Sales\Model\Service\Quote.php(249): Mage_Sales_Model_Service_Quote->submitOrder()
C:\Web\mystore\app\code\core\Mage\Paypal\Model\Express\Checkout.php(599): Mage_Sales_Model_Service_Quote->submitAll()
C:\Web\mystore\app\code\core\Mage\Paypal\Controller\Express\Abstract.php(320): Mage_Paypal_Model_Express_Checkout->place('EC-70681376N394...')
C:\Web\mystore\app\code\core\Mage\Core\Controller\Varien\Action.php(418): Mage_Paypal_Controller_Express_Abstract->placeOrderAction()
C:\Web\mystore\app\code\core\Mage\Core\Controller\Varien\Router\Standard.php(254): Mage_Core_Controller_Varien_Action->dispatch('placeOrder')
C:\Web\mystore\app\code\core\Mage\Core\Controller\Varien\Front.php(172): Mage_Core_Controller_Varien_Router_Standard->match(Object(Mage_Core_Controller_Request_Http))
C:\Web\mystore\app\code\core\Mage\Core\Model\App.php(365): Mage_Core_Controller_Varien_Front->dispatch()
C:\Web\mystore\app\Mage.php(684): Mage_Core_Model_App->run(Array)
C:\Web\mystore\sg\index.php(81): Mage::run('sg', 'website')
{main}
How do I know what was wrong and fix it?
I tried to add adding log as mentioned in this forum https://community.magento.com/t5/Payments-PayPal/PayPal-response-hasn-t-required-fields-AMT-field-is-deprecated/td-p/51852 and seeing the same log message "PayPal response hasn't required fields - AMT". But there is no solution yet.
Asked:
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You may be caught in the SSL (really TLS) change that began occurring on 2018-06-29 + has now rolled in to almost all PayPal accounts.
PayPal now requires sites initiating payments to PayPal (via links or in your case Magento) only run TLSv1.2+, so only v1.2 + v1.3 are allowed.
If any other protocols are supported by your site, you'll likely see 100% errors initiating payments + the errors won't make sense.
Look at the https://www.ssllabs.com/ss