org.xml.sax.SAXException: SimpleDeserializer encountered a child element, which is NOT expected, in something it was trying to deserialize.
at org.apache.axis.encoding.ser.SimpleDeserializer.onStartChild(SimpleDeserializer.java:145) ~[axis-1.4.jar:?]
at org.apache.axis.encoding.DeserializationContext.startElement(DeserializationContext.java:1035) ~[axis-1.4.jar:?]
at org.apache.axis.message.SAX2EventRecorder.replay(SAX2EventRecorder.java:165) ~[axis-1.4.jar:?]
at org.apache.axis.message.MessageElement.publishToHandler(MessageElement.java:1141) ~[axis-1.4.jar:?]
at org.apache.axis.message.RPCElement.deserialize(RPCElement.java:236) ~[axis-1.4.jar:?]
at org.apache.axis.message.RPCElement.getParams(RPCElement.java:384) ~[axis-1.4.jar:?]
at org.apache.axis.client.Call.invoke(Call.java:2467) ~[axis-1.4.jar:?]
at org.apache.axis.client.Call.invoke(Call.java:2366) ~[axis-1.4.jar:?]
at org.apache.axis.client.Call.invoke(Call.java:1812) ~[axis-1.4.jar:?]
at com.google.api.ads.adwords.axis.v201806.cm.AdGroupAdServiceSoapBindingStub.get(AdGroupAdServiceSoapBindingStub.java:1751) ~[adwords-axis-3.15.0.jar:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_171]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_171]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_171]
at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_171]
at com.google.api.ads.common.lib.soap.SoapClientHandler.invoke(SoapClientHandler.java:100) ~[ads-lib-3.15.0.jar:?]
at com.google.api.ads.common.lib.soap.axis.AxisHandler.invokeSoapCall(AxisHandler.java:234) ~[ads-lib-axis-3.15.0.jar:?]
at com.google.api.ads.common.lib.soap.SoapServiceClient.callSoapClient(SoapServiceClient.java:63) ~[ads-lib-3.15.0.jar:?]
at com.google.api.ads.common.lib.soap.SoapServiceClient.invoke(SoapServiceClient.java:93) ~[ads-lib-3.15.0.jar:?]