Hi, I am updated adwords api version to v201609 and also guava version to 20. But I am getting this error
Dec 22, 2016 9:25:19 AM com.google.api.server.spi.SystemService invokeServiceMethod SEVERE: exception occurred while calling backend method java.lang.NoSuchMethodError: com.google.common.base.Preconditions.checkArgument(ZLjava/lang/String;Ljava/lang/Object;)V at com.google.api.ads.adwords.jaxws.AdWordsJaxWsHeaderHandler.setHeaders(AdWordsJaxWsHeaderHandler.java:91) -- -- =~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~ Also find us on our blog and Google+: https://googleadsdeveloper.blogspot.com/ https://plus.google.com/+GoogleAdsDevelopers/posts =~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~ You received this message because you are subscribed to the Google Groups "AdWords API Forum" group. To post to this group, send email to adwords-api@googlegroups.com To unsubscribe from this group, send email to adwords-api+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/adwords-api?hl=en --- You received this message because you are subscribed to the Google Groups "AdWords API Forum" group. To unsubscribe from this group and stop receiving emails from it, send an email to adwords-api+unsubscr...@googlegroups.com. Visit this group at https://groups.google.com/group/adwords-api. To view this discussion on the web visit https://groups.google.com/d/msgid/adwords-api/bb0b7b55-1ff4-4235-9936-906cac6eed0c%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.