I am using magento v126.96.36.199, and also setup fedex sandbox mode.
It is showing error while creating shipping label
" An error occurred while creating shipping label."
When I have reviewed exception log it shows below error:
SoapFault exception: [soapenv:Server] Schema validation failed for request. in app/code/core/Mage/Usa/Model/Shipping/Carrier/Fedex.php:1475
We have also implement patch from here, but still it is showing same error.
Please help me to resolve this error.