Getting: "PayPal gateway has rejected request. The totals of the cart item amounts do not match order amounts (#10413: Transaction refused because of an invalid argument. See additional error messages for details)." on Chechout Page.

[doejoe13]

Magento 1.9.2.4

2016-03-14T19:12:47+00:00 ERR (3):
exception 'Mage_Core_Exception' with message 'PayPal NVP gateway errors: The totals of the cart item amounts do not match order amounts (#10413: Transaction refused because of an invalid argument. See additional error messages for details). Correlation ID: 3d24060d2d18f. Version: 72.0.' in /var/vhosts/www.wellnet.sk/html/app/Mage.php:580
Stack trace:
#0 /var/vhosts/www.wellnet.sk/.modman/flywebdesign_paypalfee/app/code/local/Mage/Paypal/Model/Api/Nvp.php(1065): Mage::exception('Mage_Core', 'PayPal NVP gate...')
#1 /var/vhosts/www.wellnet.sk/.modman/flywebdesign_paypalfee/app/code/local/Mage/Paypal/Model/Api/Nvp.php(1026): Mage_Paypal_Model_Api_Nvp->_handleCallErrors(Array)
#2 /var/vhosts/www.wellnet.sk/.modman/flywebdesign_paypalfee/app/code/local/Mage/Paypal/Model/Api/Nvp.php(636): Mage_Paypal_Model_Api_Nvp->call('SetExpressCheck...', Array)
#3 /var/vhosts/www.wellnet.sk/html/app/code/core/Mage/Paypal/Model/Express/Checkout.php(381): Mage_Paypal_Model_Api_Nvp->callSetExpressCheckout()
#4 /var/vhosts/www.wellnet.sk/html/app/code/core/Mage/Paypal/Controller/Express/Abstract.php(108): Mage_Paypal_Model_Express_Checkout->start('https://www.wel...', 'https://www.wel...', false)
#5 /var/vhosts/www.wellnet.sk/html/app/code/core/Mage/Core/Controller/Varien/Action.php(418): Mage_Paypal_Controller_Express_Abstract->startAction()
#6 /var/vhosts/www.wellnet.sk/html/app/code/core/Mage/Core/Controller/Varien/Router/Standard.php(254): Mage_Core_Controller_Varien_Action->dispatch('start')
#7 /var/vhosts/www.wellnet.sk/html/app/code/core/Mage/Core/Controller/Varien/Front.php(172): Mage_Core_Controller_Varien_Router_Standard->match(Object(Mage_Core_Controller_Request_Http))
#8 /var/vhosts/www.wellnet.sk/html/app/code/core/Mage/Core/Model/App.php(365): Mage_Core_Controller_Varien_Front->dispatch()
#9 /var/vhosts/www.wellnet.sk/html/app/Mage.php(684): Mage_Core_Model_App->run(Array)
#10 /var/vhosts/www.wellnet.sk/html/index.php(83): Mage::run('', 'store')
#11 {main}

2016-03-14T21:08:00+00:00 ERR (3):
exception 'Mage_Core_Exception' with message 'PayPal NVP gateway errors: The totals of the cart item amounts do not match order amounts (#10413: Transaction refused because of an invalid argument. See additional error messages for details). Correlation ID: 830e1e4b835fe. Version: 72.0.' in /var/vhosts/www.wellnet.sk/html/app/Mage.php:580
Stack trace:
#0 /var/vhosts/www.wellnet.sk/.modman/flywebdesign_paypalfee/app/code/local/Mage/Paypal/Model/Api/Nvp.php(1065): Mage::exception('Mage_Core', 'PayPal NVP gate...')
#1 /var/vhosts/www.wellnet.sk/.modman/flywebdesign_paypalfee/app/code/local/Mage/Paypal/Model/Api/Nvp.php(1026): Mage_Paypal_Model_Api_Nvp->_handleCallErrors(Array)
#2 /var/vhosts/www.wellnet.sk/.modman/flywebdesign_paypalfee/app/code/local/Mage/Paypal/Model/Api/Nvp.php(636): Mage_Paypal_Model_Api_Nvp->call('SetExpressCheck...', Array)
#3 /var/vhosts/www.wellnet.sk/html/app/code/core/Mage/Paypal/Model/Express/Checkout.php(381): Mage_Paypal_Model_Api_Nvp->callSetExpressCheckout()
#4 /var/vhosts/www.wellnet.sk/html/app/code/core/Mage/Paypal/Controller/Express/Abstract.php(108): Mage_Paypal_Model_Express_Checkout->start('https://www.wel...', 'https://www.wel...', false)
#5 /var/vhosts/www.wellnet.sk/html/app/code/core/Mage/Core/Controller/Varien/Action.php(418): Mage_Paypal_Controller_Express_Abstract->startAction()
#6 /var/vhosts/www.wellnet.sk/html/app/code/core/Mage/Core/Controller/Varien/Router/Standard.php(254): Mage_Core_Controller_Varien_Action->dispatch('start')
#7 /var/vhosts/www.wellnet.sk/html/app/code/core/Mage/Core/Controller/Varien/Front.php(172): Mage_Core_Controller_Varien_Router_Standard->match(Object(Mage_Core_Controller_Request_Http))
#8 /var/vhosts/www.wellnet.sk/html/app/code/core/Mage/Core/Model/App.php(365): Mage_Core_Controller_Varien_Front->dispatch()
#9 /var/vhosts/www.wellnet.sk/html/app/Mage.php(684): Mage_Core_Model_App->run(Array)
#10 /var/vhosts/www.wellnet.sk/html/index.php(83): Mage::run('', 'store')
#11 {main}

2016-03-15T21:36:55+00:00 ERR (3):
exception 'Mage_Core_Exception' with message 'PayPal NVP gateway errors: The totals of the cart item amounts do not match order amounts (#10413: Transaction refused because of an invalid argument. See additional error messages for details). Correlation ID: 472f0fb2277f0. Version: 72.0.' in /var/vhosts/www.wellnet.sk/html/app/Mage.php:580
Stack trace:
#0 /var/vhosts/www.wellnet.sk/.modman/flywebdesign_paypalfee/app/code/local/Mage/Paypal/Model/Api/Nvp.php(1065): Mage::exception('Mage_Core', 'PayPal NVP gate...')
#1 /var/vhosts/www.wellnet.sk/.modman/flywebdesign_paypalfee/app/code/local/Mage/Paypal/Model/Api/Nvp.php(1026): Mage_Paypal_Model_Api_Nvp->_handleCallErrors(Array)
#2 /var/vhosts/www.wellnet.sk/.modman/flywebdesign_paypalfee/app/code/local/Mage/Paypal/Model/Api/Nvp.php(636): Mage_Paypal_Model_Api_Nvp->call('SetExpressCheck...', Array)
#3 /var/vhosts/www.wellnet.sk/html/app/code/core/Mage/Paypal/Model/Express/Checkout.php(381): Mage_Paypal_Model_Api_Nvp->callSetExpressCheckout()
#4 /var/vhosts/www.wellnet.sk/html/app/code/core/Mage/Paypal/Controller/Express/Abstract.php(108): Mage_Paypal_Model_Express_Checkout->start('https://www.wel...', 'https://www.wel...', false)
#5 /var/vhosts/www.wellnet.sk/html/app/code/core/Mage/Core/Controller/Varien/Action.php(418): Mage_Paypal_Controller_Express_Abstract->startAction()
#6 /var/vhosts/www.wellnet.sk/html/app/code/core/Mage/Core/Controller/Varien/Router/Standard.php(254): Mage_Core_Controller_Varien_Action->dispatch('start')
#7 /var/vhosts/www.wellnet.sk/html/app/code/core/Mage/Core/Controller/Varien/Front.php(172): Mage_Core_Controller_Varien_Router_Standard->match(Object(Mage_Core_Controller_Request_Http))
#8 /var/vhosts/www.wellnet.sk/html/app/code/core/Mage/Core/Model/App.php(365): Mage_Core_Controller_Varien_Front->dispatch()
#9 /var/vhosts/www.wellnet.sk/html/app/Mage.php(684): Mage_Core_Model_App->run(Array)
#10 /var/vhosts/www.wellnet.sk/html/index.php(83): Mage::run('', 'store')
#11 {main}