Hello,

I am following the Tutorial available here:
https://www.outsystems.com/learn/lesson/815/web-application-exercise/

And after adding the dependencies to the ToDo_Core module and trying to publish as suggested, I receive the following error:

Error message from node S4Q04-LT60BG (127.0.0.1): Internal Error
Deployment failed: Deployment failed. Could not invoke ping. Exception: The remote server returned an error: (404) Not Found.
   at System.Net.HttpWebRequest.GetResponse()
   at OutSystems.HubEdition.ServerCommon.PageInvokes.AbstractInvoker.Invoke(String hostname, String espaceName, String testAreaUser, String documentPath, Action`1 validateResponse) (Espace name: ToDoWeb_AT, Test area name: , Is running operation: False, Unique ID: e68992a1-929e-4822-85b4-9ed21b5a102f, Deploy to separate folder: False, Not using differential Deploy, Previous deployment information wasn't found, Virtual Directory was reused)
System.InvalidOperationException: Deployment failed: Deployment failed. Could not invoke ping. Exception: The remote server returned an error: (404) Not Found.
   at System.Net.HttpWebRequest.GetResponse()
   at OutSystems.HubEdition.ServerCommon.PageInvokes.AbstractInvoker.Invoke(String hostname, String espaceName, String testAreaUser, String documentPath, Action`1 validateResponse) (Espace name: ToDoWeb_AT, Test area name: , Is running operation: False, Unique ID: e68992a1-929e-4822-85b4-9ed21b5a102f, Deploy to separate folder: False, Not using differential Deploy, Previous deployment information wasn't found, Virtual Directory was reused) ---> OutSystems.RuntimeCommon.HEMessageException: Deployment failed: Deployment failed. Could not invoke ping. Exception: The remote server returned an error: (404) Not Found.
   at System.Net.HttpWebRequest.GetResponse()
   at OutSystems.HubEdition.ServerCommon.PageInvokes.AbstractInvoker.Invoke(String hostname, String espaceName, String testAreaUser, String documentPath, Action`1 validateResponse)
   at OutSystems.HubEdition.ServerCommon.PageInvokes.#CDb.#Vo2.#KGb(InvokePageResponse response)
   at OutSystems.HubEdition.ServerCommon.PageInvokes.AbstractInvoker.Invoke(String hostname, String espaceName, String testAreaUser, String documentPath, Action`1 validateResponse)
   at OutSystems.HubEdition.ServerCommon.PageInvokes.#CDb.InvokePing(String hostname, String espaceName, String testAreaUser, String pingContent)
   at OutSystems.HubEdition.DeployService.Deploy.LastPhaseDeployEspace(String espaceName, String espaceKey, String testAreaUser, Boolean partial, DateTime lastZipTimestamp, String uniqueId, IEnumerable`1 onDeployInvokeUrls, Boolean deployToSeparateFolder, Nullable`1 usesIntAuth, Nullable`1 usesClientCerts, Boolean saveDifferentialDeployData, Boolean useDifferentialDeploy, Boolean isDebugModeEnabled)
   --- End of inner exception stack trace ---
   at OutSystems.HubEdition.DeployService.Deploy.LastPhaseDeployEspace(String espaceName, String espaceKey, String testAreaUser, Boolean partial, DateTime lastZipTimestamp, String uniqueId, IEnumerable`1 onDeployInvokeUrls, Boolean deployToSeparateFolder, Nullable`1 usesIntAuth, Nullable`1 usesClientCerts, Boolean saveDifferentialDeployData, Boolean useDifferentialDeploy, Boolean isDebugModeEnabled)
   at OutSystems.HubEdition.DeployService.Deploy.ProcessFinalizeDeployment(DeployFinalizeMsg msg)
State :
Exception Details:
[1] Internal Error: Deployment failed: Deployment failed. Could not invoke ping. Exception: The remote server returned an error: (404) Not Found.
   at System.Net.HttpWebRequest.GetResponse()
   at OutSystems.HubEdition.ServerCommon.PageInvokes.AbstractInvoker.Invoke(String hostname, String espaceName, String testAreaUser, String documentPath, Action`1 validateResponse) (Espace name: ToDoWeb_AT, Test area name: , Is running operation: False, Unique ID: e68992a1-929e-4822-85b4-9ed21b5a102f, Deploy to separate folder: False, Not using differential Deploy, Previous deployment information wasn't found, Virtual Directory was reused)
System.InvalidOperationException: Deployment failed: Deployment failed. Could not invoke ping. Exception: The remote server returned an error: (404) Not Found.
   at System.Net.HttpWebRequest.GetResponse()
   at OutSystems.HubEdition.ServerCommon.PageInvokes.AbstractInvoker.Invoke(String hostname, String espaceName, String testAreaUser, String documentPath, Action`1 validateResponse) (Espace name: ToDoWeb_AT, Test area name: , Is running operation: False, Unique ID: e68992a1-929e-4822-85b4-9ed21b5a102f, Deploy to separate folder: False, Not using differential Deploy, Previous deployment information wasn't found, Virtual Directory was reused) ---> OutSystems.RuntimeCommon.HEMessageException: Deployment failed: Deployment failed. Could not invoke ping. Exception: The remote server returned an error: (404) Not Found.
   at System.Net.HttpWebRequest.GetResponse()
   at OutSystems.HubEdition.ServerCommon.PageInvokes.AbstractInvoker.Invoke(String hostname, String espaceName, String testAreaUser, String documentPath, Action`1 validateResponse)
   at OutSystems.HubEdition.ServerCommon.PageInvokes.#CDb.#Vo2.#KGb(InvokePageResponse response)
   at OutSystems.HubEdition.ServerCommon.PageInvokes.AbstractInvoker.Invoke(String hostname, String espaceName, String testAreaUser, String documentPath, Action`1 validateResponse)
   at OutSystems.HubEdition.ServerCommon.PageInvokes.#CDb.InvokePing(String hostname, String espaceName, String testAreaUser, String pingContent)
   at OutSystems.HubEdition.DeployService.Deploy.LastPhaseDeployEspace(String espaceName, String espaceKey, String testAreaUser, Boolean partial, DateTime lastZipTimestamp, String uniqueId, IEnumerable`1 onDeployInvokeUrls, Boolean deployToSeparateFolder, Nullable`1 usesIntAuth, Nullable`1 usesClientCerts, Boolean saveDifferentialDeployData, Boolean useDifferentialDeploy, Boolean isDebugModeEnabled)
   --- End of inner exception stack trace ---
   at OutSystems.HubEdition.DeployService.Deploy.LastPhaseDeployEspace(String espaceName, String espaceKey, String testAreaUser, Boolean partial, DateTime lastZipTimestamp, String uniqueId, IEnumerable`1 onDeployInvokeUrls, Boolean deployToSeparateFolder, Nullable`1 usesIntAuth, Nullable`1 usesClientCerts, Boolean saveDifferentialDeployData, Boolean useDifferentialDeploy, Boolean isDebugModeEnabled)
   at OutSystems.HubEdition.DeployService.Deploy.ProcessFinalizeDeployment(DeployFinalizeMsg msg)
at OutSystems.HubEdition.DeployService.Deploy.ProcessFinalizeDeployment(DeployFinalizeMsg msg)
   at OutSystems.HubEdition.DeployService.Deploy.MessageTransmission(BroadcastMessage msg)
   at System.Runtime.Remoting.Messaging.StackBuilderSink._PrivateProcessMessage(IntPtr md, Object[] args, Object server, Object[]& outArgs)
   at System.Runtime.Remoting.Messaging.StackBuilderSink.SyncProcessMessage(IMessage msg)
   at System.Runtime.Remoting.Messaging.ServerObjectTerminatorSink.SyncProcessMessage(IMessage reqMsg)
   at System.Runtime.Remoting.Messaging.ServerContextTerminatorSink.SyncProcessMessage(IMessage reqMsg)
   at System.Runtime.Remoting.Channels.CrossContextChannel.SyncProcessMessageCallback(Object[] args)
   at System.Runtime.Remoting.Channels.ChannelServices.DispatchMessage(IServerChannelSinkStack sinkStack, IMessage msg, IMessage& replyMsg)
   at System.Runtime.Remoting.Channels.SoapServerFormatterSink.ProcessMessage(IServerChannelSinkStack sinkStack, IMessage requestMsg, ITransportHeaders requestHeaders, Stream requestStream, IMessage& responseMsg, ITransportHeaders& responseHeaders, Stream& responseStream)
   at System.Runtime.Remoting.Channels.BinaryServerFormatterSink.ProcessMessage(IServerChannelSinkStack sinkStack, IMessage requestMsg, ITransportHeaders requestHeaders, Stream requestStream, IMessage& responseMsg, ITransportHeaders& responseHeaders, Stream& responseStream)
   at System.Runtime.Remoting.Channels.Tcp.TcpServerTransportSink.ServiceRequest(Object state)
   at System.Runtime.Remoting.Channels.SocketHandler.ProcessRequestNow()
   at System.Runtime.Remoting.Channels.SocketHandler.BeginReadMessageCallback(IAsyncResult ar)
   at System.Net.LazyAsyncResult.Complete(IntPtr userToken)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Net.ContextAwareResult.Complete(IntPtr userToken)
   at System.Net.LazyAsyncResult.ProtectedInvokeCallback(Object result, IntPtr userToken)
   at System.Net.Sockets.BaseOverlappedAsyncResult.CompletionPortCallback(UInt32 errorCode, UInt32 numBytes, NativeOverlapped* nativeOverlapped)
   at System.Threading._IOCompletionCallback.PerformIOCompletionCallback(UInt32 errorCode, UInt32 numBytes, NativeOverlapped* pOVERLAP)
[2] System.InvalidOperationException: Deployment failed: Deployment failed. Could not invoke ping. Exception: The remote server returned an error: (404) Not Found.
   at System.Net.HttpWebRequest.GetResponse()
   at OutSystems.HubEdition.ServerCommon.PageInvokes.AbstractInvoker.Invoke(String hostname, String espaceName, String testAreaUser, String documentPath, Action`1 validateResponse) (Espace name: ToDoWeb_AT, Test area name: , Is running operation: False, Unique ID: e68992a1-929e-4822-85b4-9ed21b5a102f, Deploy to separate folder: False, Not using differential Deploy, Previous deployment information wasn't found, Virtual Directory was reused) ---> OutSystems.RuntimeCommon.HEMessageException: Deployment failed: Deployment failed. Could not invoke ping. Exception: The remote server returned an error: (404) Not Found.
   at System.Net.HttpWebRequest.GetResponse()
   at OutSystems.HubEdition.ServerCommon.PageInvokes.AbstractInvoker.Invoke(String hostname, String espaceName, String testAreaUser, String documentPath, Action`1 validateResponse)
   at OutSystems.HubEdition.ServerCommon.PageInvokes.#CDb.#Vo2.#KGb(InvokePageResponse response)
   at OutSystems.HubEdition.ServerCommon.PageInvokes.AbstractInvoker.Invoke(String hostname, String espaceName, String testAreaUser, String documentPath, Action`1 validateResponse)
   at OutSystems.HubEdition.ServerCommon.PageInvokes.#CDb.InvokePing(String hostname, String espaceName, String testAreaUser, String pingContent)
   at OutSystems.HubEdition.DeployService.Deploy.LastPhaseDeployEspace(String espaceName, String espaceKey, String testAreaUser, Boolean partial, DateTime lastZipTimestamp, String uniqueId, IEnumerable`1 onDeployInvokeUrls, Boolean deployToSeparateFolder, Nullable`1 usesIntAuth, Nullable`1 usesClientCerts, Boolean saveDifferentialDeployData, Boolean useDifferentialDeploy, Boolean isDebugModeEnabled)
   --- End of inner exception stack trace ---
   at OutSystems.HubEdition.DeployService.Deploy.LastPhaseDeployEspace(String espaceName, String espaceKey, String testAreaUser, Boolean partial, DateTime lastZipTimestamp, String uniqueId, IEnumerable`1 onDeployInvokeUrls, Boolean deployToSeparateFolder, Nullable`1 usesIntAuth, Nullable`1 usesClientCerts, Boolean saveDifferentialDeployData, Boolean useDifferentialDeploy, Boolean isDebugModeEnabled)
   at OutSystems.HubEdition.DeployService.Deploy.ProcessFinalizeDeployment(DeployFinalizeMsg msg)[3] Id : FailedTenantDeployment_PingAspx
Type : Error
Message : Deployment failed
Detail : Deployment failed. Could not invoke ping. Exception: The remote server returned an error: (404) Not Found.
   at System.Net.HttpWebRequest.GetResponse()
   at OutSystems.HubEdition.ServerCommon.PageInvokes.AbstractInvoker.Invoke(String hostname, String espaceName, String testAreaUser, String documentPath, Action`1 validateResponse)
HelpRef : 0
ExtraInfo : Exception Details:
[1] Deployment failed: Deployment failed. Could not invoke ping. Exception: The remote server returned an error: (404) Not Found.
   at System.Net.HttpWebRequest.GetResponse()
   at OutSystems.HubEdition.ServerCommon.PageInvokes.AbstractInvoker.Invoke(String hostname, String espaceName, String testAreaUser, String documentPath, Action`1 validateResponse)
at OutSystems.HubEdition.ServerCommon.PageInvokes.AbstractInvoker.Invoke(String hostname, String espaceName, String testAreaUser, String documentPath, Action`1 validateResponse)
   at OutSystems.HubEdition.ServerCommon.PageInvokes.#CDb.InvokePing(String hostname, String espaceName, String testAreaUser, String pingContent)
   at OutSystems.HubEdition.DeployService.Deploy.LastPhaseDeployEspace(String espaceName, String espaceKey, String testAreaUser, Boolean partial, DateTime lastZipTimestamp, String uniqueId, IEnumerable`1 onDeployInvokeUrls, Boolean deployToSeparateFolder, Nullable`1 usesIntAuth, Nullable`1 usesClientCerts, Boolean saveDifferentialDeployData, Boolean useDifferentialDeploy, Boolean isDebugModeEnabled)
   at OutSystems.HubEdition.DeployService.Deploy.ProcessFinalizeDeployment(DeployFinalizeMsg msg)
   at OutSystems.HubEdition.DeployService.Deploy.MessageTransmission(BroadcastMessage msg)
   at System.Runtime.Remoting.Messaging.StackBuilderSink._PrivateProcessMessage(IntPtr md, Object[] args, Object server, Object[]& outArgs)
   at System.Runtime.Remoting.Messaging.StackBuilderSink.SyncProcessMessage(IMessage msg)
   at System.Runtime.Remoting.Messaging.ServerObjectTerminatorSink.SyncProcessMessage(IMessage reqMsg)
   at System.Runtime.Remoting.Messaging.ServerContextTerminatorSink.SyncProcessMessage(IMessage reqMsg)
   at System.Runtime.Remoting.Channels.CrossContextChannel.SyncProcessMessageCallback(Object[] args)
   at System.Runtime.Remoting.Channels.ChannelServices.DispatchMessage(IServerChannelSinkStack sinkStack, IMessage msg, IMessage& replyMsg)
   at System.Runtime.Remoting.Channels.SoapServerFormatterSink.ProcessMessage(IServerChannelSinkStack sinkStack, IMessage requestMsg, ITransportHeaders requestHeaders, Stream requestStream, IMessage& responseMsg, ITransportHeaders& responseHeaders, Stream& responseStream)
   at System.Runtime.Remoting.Channels.BinaryServerFormatterSink.ProcessMessage(IServerChannelSinkStack sinkStack, IMessage requestMsg, ITransportHeaders requestHeaders, Stream requestStream, IMessage& responseMsg, ITransportHeaders& responseHeaders, Stream& responseStream)
   at System.Runtime.Remoting.Channels.Tcp.TcpServerTransportSink.ServiceRequest(Object state)
   at System.Runtime.Remoting.Channels.SocketHandler.ProcessRequestNow()
   at System.Runtime.Remoting.Channels.SocketHandler.BeginReadMessageCallback(IAsyncResult ar)
   at System.Net.LazyAsyncResult.Complete(IntPtr userToken)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Net.ContextAwareResult.Complete(IntPtr userToken)
   at System.Net.LazyAsyncResult.ProtectedInvokeCallback(Object result, IntPtr userToken)
   at System.Net.Sockets.BaseOverlappedAsyncResult.CompletionPortCallback(UInt32 errorCode, UInt32 numBytes, NativeOverlapped* nativeOverlapped)
   at System.Threading._IOCompletionCallback.PerformIOCompletionCallback(UInt32 errorCode, UInt32 numBytes, NativeOverlapped* pOVERLAP)

Submitable : Yes

I use Outsystems Service Studio version 11.0.208.0

Thanks in advance.