phpweb service
SoapFault exception: [soap:Server] Server was unable to process request. ---> Object reference not set to an instance of an object. in D:\www\index5.php:23 Stack trace: #0 D:\www\index5.php(23): SoapClient->__call('Pay', Array) #1 D:\www\index5.php(23): SoapClient->Pay(Array) #2 {main}
请教各位大牛，这什么问题
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