I am coding with C# and I got the following error
%3|1744179967.032|FAIL|rdkafka#producer-1| [thrd:localhost:9094/bootstrap]: localhost:9094/bootstrap: Connect to ipv4#127.0.0.1:9094 failed: Unknown error (after 2045ms in state CONNECT)
%3|1744179967.033|ERROR|rdkafka#producer-1| [thrd:localhost:9094/bootstrap]: 1/1 brokers are down
%3|1744179967.033|ERROR|rdkafka#producer-1| [thrd:app]: rdkafka#producer-1: localhost:9094/bootstrap: Connect to ipv4#127.0.0.1:9094 failed: Unknown error (after 2045ms in state CONNECT)
%3|1744179970.033|FAIL|rdkafka#producer-1| [thrd:localhost:9094/bootstrap]: localhost:9094/bootstrap: Connect to ipv6#[::1]:9094 failed: Unknown error (after 2028ms in state CONNECT)
%3|1744179970.033|ERROR|rdkafka#producer-1| [thrd:app]: rdkafka#producer-1: localhost:9094/bootstrap: Connect to ipv6#[::1]:9094 failed: Unknown error (after 2028ms in state CONNECT)
%3|1744179973.079|FAIL|rdkafka#producer-1| [thrd:localhost:9094/bootstrap]: localhost:9094/bootstrap: Connect to ipv6#[::1]:9094 failed: Unknown error (after 2046ms in state CONNECT, 1 identical error(s) suppressed)
%3|1744179973.079|ERROR|rdkafka#producer-1| [thrd:app]: rdkafka#producer-1: localhost:9094/bootstrap: Connect to ipv6#[::1]:9094 failed: Unknown error (after 2046ms in state CONNECT, 1 identical error(s) suppressed)
%3|1744179976.099|FAIL|rdkafka#producer-1| [thrd:localhost:9094/bootstrap]: localhost:9094/bootstrap: Connect to ipv4#127.0.0.1:9094 failed: Unknown error (after 2042ms in state CONNECT)
%3|1744179976.099|ERROR|rdkafka#producer-1| [thrd:app]: rdkafka#producer-1: localhost:9094/bootstrap: Connect to ipv4#127.0.0.1:9094 failed: Unknown error (after 2042ms in state CONNECT)
%3|1744179982.155|FAIL|rdkafka#producer-1| [thrd:localhost:9094/bootstrap]: localhost:9094/bootstrap: Connect to ipv6#[::1]:9094 failed: Unknown error (after 2043ms in state CONNECT)
%3|1744179982.155|ERROR|rdkafka#producer-1| [thrd:app]: rdkafka#producer-1: localhost:9094/bootstrap: Connect to ipv6#[::1]:9094 failed: Unknown error (after 2043ms in state CONNECT)
Unhandled exception. System.AggregateException: One or more errors occurred. (Local: Broker transport failure)
 ---> Confluent.Kafka.KafkaException: Local: Broker transport failure
   at Confluent.Kafka.Impl.SafeKafkaHandle.GetMetadata(Boolean allTopics, SafeTopicHandle topic, Int32 millisecondsTimeout)
   at Confluent.Kafka.AdminClient.GetMetadata(TimeSpan timeout)
   at ProSmart.MessageBrokerAdapter.AdminClient.GetAllMetadata(List`1& topicMetadataList, List`1& brokerMetadataList) in C:\prosmart-3\backend\library\message-broker-adapter\ProSmart.MessageBrokerAdapter\AdminClient.cs:line 29      
   at ProSmart.MessageBrokerAdapter.AdminClient.AutoCreateTopicWhenNotExist(IProTopic proTopic, String prefix) in C:\prosmart-3\backend\library\message-broker-adapter\ProSmart.MessageBrokerAdapter\AdminClient.cs:line 50
   at ProSmart.MessageBrokerAdapter.MessageBrokerAdapter.Kafka.KafkaAdminClient.<Subscribe>b__9_0() in C:\prosmart-3\backend\library\message-broker-adapter\ProSmart.MessageBrokerAdapter\MessageBrokerAdapter\Kafka\KafkaAdminClient.cs:line 139
   at ProSmart.Core.Helpers.PerformanceMetrics.TrackAsync(ILogger logger, String operation, Func`1 func) in C:\prosmart-3\backend\library\csharp-common-core\ProSmart.Core\PerformanceMetricsHelper.cs:line 74
   at ProSmart.MessageBrokerAdapter.MessageBrokerAdapter.Kafka.KafkaAdminClient.Subscribe() in C:\prosmart-3\backend\library\message-broker-adapter\ProSmart.MessageBrokerAdapter\MessageBrokerAdapter\Kafka\KafkaAdminClient.cs:line 106
   --- End of inner exception stack trace ---
   at System.Threading.Tasks.Task.ThrowIfExceptional(Boolean includeTaskCanceledExceptions)
   at System.Threading.Tasks.Task.Wait(Int32 millisecondsTimeout, CancellationToken cancellationToken)
   at System.Threading.Tasks.Task.Wait()
   at ProSmart.MessageBrokerAdapter.Consumer.SetTopicAndGroupId(IProTopic topic, String groupId) in C:\prosmart-3\backend\library\message-broker-adapter\ProSmart.MessageBrokerAdapter\Consumer.cs:line 43
   at ProSmart.MessageBrokerAdapter.Consumer..ctor(IProTopic topic, String groupId) in C:\prosmart-3\backend\library\message-broker-adapter\ProSmart.MessageBrokerAdapter\Consumer.cs:line 28
   at Program.<>c__DisplayClass0_0.<<Main>$>b__2(IServiceProvider sp) in C:\prosmart-3\backend\microservice\validation-services\ProSmart.ValidationServices\Program.cs:line 39
   at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteVisitor`2.VisitCallSiteMain(ServiceCallSite callSite, TArgument argument)
   at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteRuntimeResolver.VisitRootCache(ServiceCallSite callSite, RuntimeResolverContext context)
   at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteVisitor`2.VisitCallSite(ServiceCallSite callSite, TArgument argument)
   at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteRuntimeResolver.VisitIEnumerable(IEnumerableCallSite enumerableCallSite, RuntimeResolverContext context)
   at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteVisitor`2.VisitCallSiteMain(ServiceCallSite callSite, TArgument argument)
   at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteRuntimeResolver.VisitRootCache(ServiceCallSite callSite, RuntimeResolverContext context)
   at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteVisitor`2.VisitCallSite(ServiceCallSite callSite, TArgument argument)
   at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteRuntimeResolver.Resolve(ServiceCallSite callSite, ServiceProviderEngineScope scope)
   at Microsoft.Extensions.DependencyInjection.ServiceProvider.CreateServiceAccessor(ServiceIdentifier serviceIdentifier)
   at System.Collections.Concurrent.ConcurrentDictionary`2.GetOrAdd(TKey key, Func`2 valueFactory)
   at Microsoft.Extensions.DependencyInjection.ServiceProvider.GetService(ServiceIdentifier serviceIdentifier, ServiceProviderEngineScope serviceProviderEngineScope)
   at Microsoft.Extensions.DependencyInjection.ServiceProvider.GetService(Type serviceType)
   at Microsoft.Extensions.DependencyInjection.ServiceProviderServiceExtensions.GetRequiredService(IServiceProvider provider, Type serviceType)
   at Microsoft.Extensions.DependencyInjection.ServiceProviderServiceExtensions.GetRequiredService[T](IServiceProvider provider)
   at Microsoft.Extensions.Hosting.Internal.Host.StartAsync(CancellationToken cancellationToken)
   at Microsoft.Extensions.Hosting.HostingAbstractionsHostExtensions.RunAsync(IHost host, CancellationToken token)
   at Microsoft.Extensions.Hosting.HostingAbstractionsHostExtensions.RunAsync(IHost host, CancellationToken token)
   at Microsoft.Extensions.Hosting.HostingAbstractionsHostExtensions.Run(IHost host)
   at Program.<Main>$(String[] args) in C:\prosmart-3\backend\microservice\validation-services\ProSmart.ValidationServices\Program.cs:line 50
%3|1744179985.169|FAIL|rdkafka#producer-1| [thrd:localhost:9094/bootstrap]: localhost:9094/bootstrap: Connect to ipv4#127.0.0.1:9094 failed: Unknown error (after 2038ms in state CONNECT)
%3|1744179985.169|ERROR|rdkafka#producer-1| [thrd:app]: rdkafka#producer-1: localhost:9094/bootstrap: Connect to ipv4#127.0.0.1:9094 failed: Unknown error (after 2038ms in state CONNECT)


Hiw can I solve it?