"com.google.ads.api.services.common.error.ApiException: InternalApiError.UNEXPECTED_INTERNAL_API_ERROR @ com.google.ads.api.services.common.error.InternalApiError.<init>(InternalApiErro; stackTrace: java.lang.NullPointerException↵	at com.google.ads.boulder.api.services.internal.signup.MutateAction.validateUserCustomer(MutateAction.java:542)↵	at com.google.ads.boulder.api.services.internal.signup.MutateAction.validate(MutateAction.java:352)↵	at com.google.ads.api.command.ActionInvoker$ActionInvocationHandler$1.call(ActionInvoker.java:182)↵	at com.google.ads.api.command.ActionInvoker$ActionInvocationHandler$1.call(ActionInvoker.java:172)↵	at com.google.tracing.LocalTraceSpanCallable.call(LocalTraceSpanCallable.java:67)↵	at com.google.tracing.LocalTraceSpanCallable.callWithException(LocalTraceSpanCallable.java:107)↵	at com.google.ads.api.command.ActionInvoker$ActionInvocationHandler.invoke(ActionInvoker.java:191)↵	at com.sun.proxy.$Proxy288.mutate(Unknown Source)↵	at sun.reflect.GeneratedMethodAccessor2028.invoke(Unknown Source)↵	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)↵	at java.lang.reflect.Method.invoke(Method.java:498)↵	at com.google.net.grubby.runtime.transport.stubby.ServerHandler$ServerInvocationImpl.invokeActual(ServerHandler.java:153)↵	at com.google.net.grubby.runtime.transport.stubby.InvocationImpl$2.call(InvocationImpl.java:258)↵	at com.google.net.grubby.runtime.transport.stubby.InvocationImpl.invoke(InvocationImpl.java:221)↵	at com.google.ads.common.usermgmt.util.UserMgmtApiExceptionInterceptor.intercept(UserMgmtApiExceptionInterceptor.java:35)↵	at com.google.net.grubby.runtime.transport.stubby.InvocationImpl$2.call(InvocationImpl.java:247)↵	at com.google.net.grubby.runtime.transport.stubby.InvocationImpl.invoke(InvocationImpl.java:221)↵	at com.google.ads.api.common.quota.QuotaInterceptor.intercept(QuotaInterceptor.java:407)↵	at com.google.net.grubby.runtime.transport.stubby.InvocationImpl$2.call(InvocationImpl.java:247)↵	at com.google.net.grubby.runtime.transport.stubby.InvocationImpl.invoke(InvocationImpl.java:221)↵	at com.google.ads.api.common.crossaccount.MccTimestampInterceptor.intercept(MccTimestampInterceptor.java:104)↵	at com.google.net.grubby.runtime.transport.stubby.InvocationImpl$2.call(InvocationImpl.java:247)↵	at com.google.net.grubby.runtime.transport.stubby.InvocationImpl.invoke(InvocationImpl.java:221)↵	at com.google.ads.boulder.api.modules.error.UnhandledF1ExceptionInterceptor.intercept(UnhandledF1ExceptionInterceptor.java:47)↵	at com.google.net.grubby.runtime.transport.stubby.InvocationImpl$2.call(InvocationImpl.java:247)↵	at com.google.net.grubby.runtime.transport.stubby.InvocationImpl.invoke(InvocationImpl.java:221)↵	at com.google.ads.api.common.partialfailure.UsePartialFailureInterceptor.intercept(UsePartialFailureInterceptor.java:49)↵	at com.google.net.grubby.runtime.transport.stubby.InvocationImpl$2.call(InvocationImpl.java:247)↵	at com.google.net.grubby.runtime.transport.stubby.InvocationImpl.invoke(InvocationImpl.java:221)↵	at com.google.ads.boulder.api.modules.webapi.ExternalApiUsageLoggingInterceptor.intercept(ExternalApiUsageLoggingInterceptor.java:40)↵	at com.google.net.grubby.runtime.transport.stubby.InvocationImpl$2.call(InvocationImpl.java:247)↵	at com.google.net.grubby.runtime.transport.stubby.InvocationImpl.invoke(InvocationImpl.java:221)↵	at com.google.ads.api.services.common.metric.PerformanceMetricInterceptor.intercept(PerformanceMetricInterceptor.java:125)↵	at com.google.net.grubby.runtime.transport.stubby.InvocationImpl$2.call(InvocationImpl.java:247)↵	at com.google.net.grubby.runtime.transport.stubby.InvocationImpl.invoke(InvocationImpl.java:221)↵	at com.google.ads.api.services.common.metric.QueryCostInterceptor.intercept(QueryCostInterceptor.java:137)↵	at com.google.net.grubby.runtime.transport.stubby.InvocationImpl$2.call(InvocationImpl.java:247)↵	at com.google.net.grubby.runtime.transport.stubby.InvocationImpl.invoke(InvocationImpl.java:221)↵	at com.google.ads.api.common.sizelimit.SizeLimitInterceptor.intercept(SizeLimitInterceptor.java:75)↵	at com.google.net.grubby.runtime.transport.stubby.InvocationImpl$2.call(InvocationImpl.java:247)↵	at com.google.net.grubby.runtime.transport.stubby.InvocationImpl.invoke(InvocationImpl.java:221)↵	at com.google.ads.api.common.debug.EchoRequestInterceptor.intercept(EchoRequestInterceptor.java:70)↵	at com.google.net.grubby.runtime.transport.stubby.InvocationImpl$2.call(InvocationImpl.java:247)↵	at com.google.net.grubby.runtime.transport.stubby.InvocationImpl.invoke(InvocationImpl.java:221)↵	at com.google.ads.boulder.api.modules.auth.DefaultAuthInterceptor.intercept(DefaultAuthInterceptor.java:606)↵	at com.google.net.grubby.runtime.transport.stubby.InvocationImpl$2.call(InvocationImpl.java:247)↵	at com.google.net.grubby.runtime.transport.stubby.InvocationImpl.invoke(InvocationImpl.java:221)↵	at com.google.ads.api.modules.request.authentication.RetryableAuthInterceptor.intercept…ubby.InvocationImpl$2.call(InvocationImpl.java:247)↵	at com.google.net.grubby.runtime.transport.stubby.InvocationImpl.invoke(InvocationImpl.java:221)↵	at com.google.ads.api.common.downtime.DowntimeInterceptor.intercept(DowntimeInterceptor.java:79)↵	at com.google.net.grubby.runtime.transport.stubby.InvocationImpl$2.call(InvocationImpl.java:247)↵	at com.google.net.grubby.runtime.transport.stubby.InvocationImpl.invoke(InvocationImpl.java:221)↵	at com.google.ads.api.common.server.serverimpls.StatsTrackerInterceptor.intercept(StatsTrackerInterceptor.java:41)↵	at com.google.net.grubby.runtime.transport.stubby.InvocationImpl$2.call(InvocationImpl.java:247)↵	at com.google.net.grubby.runtime.transport.stubby.InvocationImpl.invoke(InvocationImpl.java:221)↵	at com.google.ads.api.common.server.serverimpls.SlaTrackerInterceptor.intercept(SlaTrackerInterceptor.java:36)↵	at com.google.net.grubby.runtime.transport.stubby.InvocationImpl$2.call(InvocationImpl.java:247)↵	at com.google.net.grubby.runtime.transport.stubby.InvocationImpl.invoke(InvocationImpl.java:221)↵	at com.google.ads.api.common.header.RequestInfoInterceptor.intercept(RequestInfoInterceptor.java:70)↵	at com.google.net.grubby.runtime.transport.stubby.InvocationImpl$2.call(InvocationImpl.java:247)↵	at com.google.net.grubby.runtime.transport.stubby.InvocationImpl.invoke(InvocationImpl.java:221)↵	at com.google.ads.api.common.debug.MethodTracingInterceptor.intercept(MethodTracingInterceptor.java:83)↵	at com.google.net.grubby.runtime.transport.stubby.InvocationImpl$2.call(InvocationImpl.java:247)↵	at com.google.net.grubby.runtime.transport.stubby.InvocationImpl.invoke(InvocationImpl.java:221)↵	at com.google.ads.api.common.server.serverimpls.UnhandledExceptionInterceptor.intercept(UnhandledExceptionInterceptor.java:40)↵	at com.google.net.grubby.runtime.transport.stubby.InvocationImpl$2.call(InvocationImpl.java:247)↵	at com.google.tracing.LocalTraceSpanCallable.call(LocalTraceSpanCallable.java:67)↵	at com.google.net.grubby.runtime.transport.stubby.InvocationImpl.invoke(InvocationImpl.java:221)↵	at com.google.net.grubby.runtime.transport.stubby.ServerHandler$ServerInvocationImpl.copyHeadersAndInvoke(ServerHandler.java:146)↵	at com.google.net.grubby.runtime.transport.stubby.StubbyHandler.invoke(StubbyHandler.java:116)↵	at com.sun.proxy.$Proxy289.mutate(Unknown Source)↵	at sun.reflect.GeneratedMethodAccessor2020.invoke(Unknown Source)↵	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)↵	at java.lang.reflect.Method.invoke(Method.java:498)↵	at com.google.ads.api.common.server.serverimpls.ServiceInvoker$1.runInvokeCallback(ServiceInvoker.java:52)↵	at com.google.ads.api.common.server.serverimpls.ServiceInvoker$2.execute(ServiceInvoker.java:140)↵	at com.google.ads.api.common.server.serverimpls.ServiceInvoker$2.execute(ServiceInvoker.java:126)↵	at com.google.ads.api.common.scoping.RequestScope.execute(RequestScope.java:47)↵	at com.google.ads.api.common.server.serverimpls.ServiceInvoker.invoke(ServiceInvoker.java:126)↵	at com.sun.proxy.$Proxy381.mutate(Unknown Source)↵	at com.google.ads.api.services.internal.signup.SignupServiceProto$SignupService$17.handleBlockingRequest(SignupServiceProto.java)↵	at com.google.ads.api.services.internal.signup.SignupServiceProto$SignupService$17.handleBlockingRequest(SignupServiceProto.java)↵	at com.google.net.rpc.impl.BlockingApplicationHandler.handleRequest(BlockingApplicationHandler.java:24)↵	at com.google.net.rpc.impl.RpcUtil.handleRequest(RpcUtil.java:453)↵	at com.google.net.rpc3.impl.compatibility.Rpc1HandlerRegistry$RpcApplicationHandlerBridge.handleRequest(Rpc1HandlerRegistry.java:197)↵	at com.google.net.rpc3.impl.server.RpcServerInternalContext.runRpcInApplication(RpcServerInternalContext.java:564)↵	at com.google.net.rpc3.impl.server.RpcServerChannel$1$1.runInContext(RpcServerChannel.java:897)↵	at com.google.tracing.TraceContext$TraceContextRunnable$1.run(TraceContext.java:462)↵	at com.google.tracing.CurrentContext.runInContext(CurrentContext.java:320)↵	at com.google.tracing.TraceContext$AbstractTraceContextCallback.runInInheritedContextNoUnref(TraceContext.java:321)↵	at com.google.tracing.TraceContext$AbstractTraceContextCallback.runInInheritedContext(TraceContext.java:313)↵	at com.google.tracing.TraceContext$TraceContextRunnable.run(TraceContext.java:459)↵	at com.google.ads.api.common.server.serverimpls.ServiceExporterImpl$VarzExecutor$1.run(ServiceExporterImpl.java:242)↵	at com.google.common.labs.concurrent.TimedRunnable$1.call(TimedRunnable.java:40)↵	at com.google.common.labs.concurrent.TimedRunnable$1.call(TimedRunnable.java:37)↵	at com.google.common.labs.concurrent.TimedCallable.call(TimedCallable.java:56)↵	at com.google.common.labs.concurrent.TimedRunnable.run(TimedRunnable.java:52)↵	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)↵	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)↵	at java.lang.Thread.run(Thread.java:745)↵"