Google Ads Api SDK 27.0.0 issue with v14

admin

Dear Google Ads API Team,

we are facing a problem when upgrading to v14 of google ads api using API SDK 27.0.0

We are getting below mentioned error 

java.lang.NoSuchMethodError: ‘void com.google.api.gax.rpc.RequestParamsBuilder.add(java.lang.String, java.lang.String)’
at com.google.ads.googleads.v14.services.stub.GrpcGoogleAdsServiceStub.lambda$new$1(GrpcGoogleAdsServiceStub.java:152)
at com.google.api.gax.rpc.RequestUrlParamsEncoder.encode(RequestUrlParamsEncoder.java:80)
at com.google.api.gax.grpc.GrpcServerStreamingRequestParamCallable.contextWithParamsEncoder(GrpcServerStreamingRequestParamCallable.java:67)
at com.google.api.gax.grpc.GrpcServerStreamingRequestParamCallable.call(GrpcServerStreamingRequestParamCallable.java:61)
at com.google.api.gax.grpc.GrpcExceptionServerStreamingCallable.call(GrpcExceptionServerStreamingCallable.java:59)
at com.google.api.gax.rpc.WatchdogServerStreamingCallable.call(WatchdogServerStreamingCallable.java:69)
at com.google.api.gax.rpc.ServerStreamingCallable$1.call(ServerStreamingCallable.java:235)
at com.google.api.gax.rpc.ServerStreamingAttemptCallable.call(ServerStreamingAttemptCallable.java:234)
at com.google.api.gax.rpc.ServerStreamingAttemptCallable.start(ServerStreamingAttemptCallable.java:194)
at com.google.api.gax.rpc.RetryingServerStreamingCallable.call(RetryingServerStreamingCallable.java:87)
at com.google.api.gax.tracing.TracedServerStreamingCallable.call(TracedServerStreamingCallable.java:76)
at com.google.api.gax.rpc.ServerStreamingCallable$1.call(ServerStreamingCallable.java:235)
at com.google.ads.googleads.lib.stubs.callables.ExceptionTransformingServerStreamingCallable.call(ExceptionTransformingServerStreamingCallable.java:46)
at com.google.api.gax.rpc.ServerStreamingCallable.call(ServerStreamingCallable.java:125)
at com.google.api.gax.rpc.ServerStreamingCallable.call(ServerStreamingCallable.java:111)

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