I have been struggling the whole day trying to work on my branchline(SM Report Enhancement) which I created with Mendix version 7.23, then upgraded to 8.18.15 without any issues. Then when I upgraded the project to 8.18.16 the mainline runs perfectly well, but if I convert the branchline I get the following error when I run locally: System.Exception: Type (Not set) is not supported at Mendix.Modeler.Integration.EdmPropertyBuilder.ConvertToEdmType(DataType type) in C:\Users\Autobuild\workspace\AppStudio4.0-Build\modeler\Mendix.Modeler.Integration\Services\OData\EdmPropertyBuilder.cs:line 62 at Mendix.Modeler.Integration.EdmPropertyBuilder.BuildProperty(IDataMember dataMember, DataType dataType) in C:\Users\Autobuild\workspace\AppStudio4.0-Build\modeler\Mendix.Modeler.Integration\Services\OData\EdmPropertyBuilder.cs:line 19 at Mendix.Modeler.Integration.EdmEntityTypeBuilder.<GetPropertyElements>d__6.MoveNext() in C:\Users\Autobuild\workspace\AppStudio4.0-Build\modeler\Mendix.Modeler.Integration\Services\OData\EdmEntityTypeBuilder.cs:line 92 at System.Xml.Linq.XContainer.AddContentSkipNotify(Object content) at Mendix.Modeler.Integration.EdmEntityTypeBuilder.Build(IPublishedODataResource publishedODataResource, IList`1 associationSets) in C:\Users\Autobuild\workspace\AppStudio4.0-Build\modeler\Mendix.Modeler.Integration\Services\OData\EdmEntityTypeBuilder.cs:line 47 at Mendix.Modeler.Integration.ODataMetadataBuilder.<GetEntityTypeElements>d__9.MoveNext() in C:\Users\Autobuild\workspace\AppStudio4.0-Build\modeler\Mendix.Modeler.Integration\Services\OData\ODataMetadataBuilder.cs:line 80 at System.Xml.Linq.XContainer.AddContentSkipNotify(Object content) at System.Xml.Linq.XContainer.AddContentSkipNotify(Object content) at Mendix.Modeler.Integration.ODataMetadataBuilder.GetSchemaElement() in C:\Users\Autobuild\workspace\AppStudio4.0-Build\modeler\Mendix.Modeler.Integration\Services\OData\ODataMetadataBuilder.cs:line 74 at Mendix.Modeler.Integration.ODataMetadataBuilder.GetDataServicesElement() in C:\Users\Autobuild\workspace\AppStudio4.0-Build\modeler\Mendix.Modeler.Integration\Services\OData\ODataMetadataBuilder.cs:line 57 at Mendix.Modeler.Integration.ODataMetadataBuilder.GetEdmxElement() in C:\Users\Autobuild\workspace\AppStudio4.0-Build\modeler\Mendix.Modeler.Integration\Services\OData\ODataMetadataBuilder.cs:line 46 at Mendix.Modeler.Integration.ODataMetadataBuilder.Build() in C:\Users\Autobuild\workspace\AppStudio4.0-Build\modeler\Mendix.Modeler.Integration\Services\OData\ODataMetadataBuilder.cs:line 38 at Mendix.Modeler.Integration.PublishedODataServicesDependencyBuilder.GetContracts(IPublishedODataService service) in C:\Users\Autobuild\workspace\AppStudio4.0-Build\modeler\Mendix.Modeler.Integration\Services\Dependencies\PublishedODataServicesDependencyBuilder.cs:line 39 at Mendix.Modeler.Integration.PublishedODataServicesDependencyBuilder.<>c__DisplayClass0_0.<Build>b__0(IPublishedODataService service) in C:\Users\Autobuild\workspace\AppStudio4.0-Build\modeler\Mendix.Modeler.Integration\Services\Dependencies\PublishedODataServicesDependencyBuilder.cs:line 19 at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext() at System.Linq.Enumerable.<SelectManyIterator>d__17`2.MoveNext() at System.Collections.Generic.List`1.InsertRange(Int32 index, IEnumerable`1 collection) at Mendix.Modeler.DataHub.Dependencies.ServiceDependenciesBuilder.Build(IProject project) in C:\Users\Autobuild\workspace\AppStudio4.0-Build\modeler\Mendix.Modeler.DataHub\Dependencies\ServiceDependenciesBuilder.cs:line 24 at Mendix.Modeler.DataHub.Dependencies.DependenciesDeploymentWorker.GenerateDependenciesJson(IProject project) in C:\Users\Autobuild\workspace\AppStudio4.0-Build\modeler\Mendix.Modeler.DataHub\Dependencies\DependenciesDeploymentWorker.cs:line 42 at Mendix.Modeler.Deployment.DeploymentProcessBuilder.<>c__DisplayClass12_0.<AddBuildStepsForPhase>b__0(IProgressInfo info) in C:\Users\Autobuild\workspace\AppStudio4.0-Build\modeler\Mendix.Modeler.Core\Deployment\DeploymentProcessBuilder.cs:line 125 at Mendix.Modeler.Deployment.FileIOExceptionHandlingProcess.CatchDiskException(Action action) in C:\Users\Autobuild\workspace\AppStudio4.0-Build\modeler\Mendix.Modeler.Core\Deployment\FileIOExceptionHandlingProcess.cs:line 28 at Mendix.Modeler.Deployment.FileIOExceptionHandlingProcess.<>c__DisplayClass1_0.<AddStep>b__0(IProgressInfo info) in C:\Users\Autobuild\workspace\AppStudio4.0-Build\modeler\Mendix.Modeler.Core\Deployment\FileIOExceptionHandlingProcess.cs:line 19 at Mendix.Modeler.UIFramework.Progress.ProcessRunner.RunStep(Step step) in C:\Users\Autobuild\workspace\AppStudio4.0-Build\modeler\Mendix.Modeler.UIFramework\Progress\ProcessRunner.cs:line 98 at Mendix.Modeler.UIFramework.Progress.ProcessRunner.OnDoWork(Object sender, DoWorkEventArgs e) in C:\Users\Autobuild\workspace\AppStudio4.0-Build\modeler\Mendix.Modeler.UIFramework\Progress\ProcessRunner.cs:line 71 at System.ComponentModel.BackgroundWorker.OnDoWork(DoWorkEventArgs e) at System.ComponentModel.BackgroundWorker.WorkerThreadStart(Object argument) So I deleted the project locally and tried to download it from the teamserver, I get the following error: SharpSvn.SvnSystemException: Error running context: An existing connection was forcibly closed by the remote host. at SharpSvn.SvnClientArgs.HandleResult(SvnClientContext client, SvnException error, Object targets) in D:\a\SharpSvn\SharpSvn\build\src\SharpSvn\SvnClientArgs.cpp:line 78 at SharpSvn.SvnClient.CheckOut(SvnUriTarget url, String path, SvnCheckOutArgs args, SvnUpdateResult& result) in D:\a\SharpSvn\SharpSvn\build\src\SharpSvn\Commands\CheckOut.cpp:line 63 at SharpSvn.SvnClient.CheckOut(SvnUriTarget url, String path) in D:\a\SharpSvn\SharpSvn\build\src\SharpSvn\Commands\CheckOut.cpp:line 35 at Mendix.Modeler.VersionControl.Windows.SvnConnector.Checkout(IRemoteRepository remoteRepository, IRevLine branchToCheckout, String targetProjectDirectory) in C:\Users\Autobuild\workspace\AppStudio4.0-Build\modeler\Mendix.Modeler.VersionControl.Windows\Svn\SvnConnector.cs:line 70 After this, I decided to create a new branchline from the mainline, but I get the following error: SharpSvn.SvnSerfException: ra_serf: The server sent a truncated HTTP response body. at SharpSvn.SvnClientArgs.HandleResult(SvnClientContext client, SvnException error, Object targets) in D:\a\SharpSvn\SharpSvn\build\src\SharpSvn\SvnClientArgs.cpp:line 78 at SharpSvn.SvnClient.CheckOut(SvnUriTarget url, String path, SvnCheckOutArgs args, SvnUpdateResult& result) in D:\a\SharpSvn\SharpSvn\build\src\SharpSvn\Commands\CheckOut.cpp:line 63 at SharpSvn.SvnClient.CheckOut(SvnUriTarget url, String path) in D:\a\SharpSvn\SharpSvn\build\src\SharpSvn\Commands\CheckOut.cpp:line 35 at Mendix.Modeler.VersionControl.Windows.SvnConnector.Checkout(IRemoteRepository remoteRepository, IRevLine branchToCheckout, String targetProjectDirectory) in C:\Users\Autobuild\workspace\AppStudio4.0-Build\modeler\Mendix.Modeler.VersionControl.Windows\Svn\SvnConnector.cs:line 70