Thanks Bas for your call. Your workaround worked.
Happily making use of the Hot-deployment function!
Thanks!
I'm having a similar message after creating a branch line in a Mx 5.4.1 project:
System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.ArgumentNullException: Value cannot be null.
Parameter name: key
at System.Collections.Generic.Dictionary2.FindEntry(TKey key)
at Mendix.Modeler.Integration.AppServices.MsdBuilder.AddEntity(Entity entity, IList
1 dataMembers, Dictionary2 entities, List
1 associations) in c:\jenkins\workspace\AppStudio-Integration-Modeler\src\modeler\Mendix.Modeler.Integration\AppServices\MendixServiceDefinition\MsdBuilder.cs:line 106
at Mendix.Modeler.Integration.AppServices.MsdBuilder.BuildDomainModel(VersionedService versionedService) in c:\jenkins\workspace\AppStudio-Integration-Modeler\src\modeler\Mendix.Modeler.Integration\AppServices\MendixServiceDefinition\MsdBuilder.cs:line 68
at Mendix.Modeler.Integration.WebServices.VersionedService.getDomainModelJsonString() in c:\jenkins\workspace\AppStudio-Integration-Modeler\src\modeler\Mendix.Modeler.Integration\WebServices\Publish\VersionedService.cs:line 185
--- End of inner exception stack trace ---
at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor)
at System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object[] parameters, Object[] arguments)
at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
at System.Reflection.RuntimePropertyInfo.GetValue(Object obj, BindingFlags invokeAttr, Binder binder, Object[] index, CultureInfo culture)
at System.Reflection.RuntimePropertyInfo.GetValue(Object obj, Object[] index)
at Mendix.Modeler.Storage.Operations.WriteBsoner.WriteBsonObject(BsonWriter writer, IStorageUnit enclosingUnit, IStorageObject obj) in c:\jenkins\workspace\AppStudio-Core-Modeler\src\modeler\Mendix.Modeler.Storage\Operations\WriteBsoner.cs:line 36
at Mendix.Modeler.Storage.Operations.WriteBsoner.WriteBsonValue(BsonWriter writer, IStorageUnit enclosingUnit, CachedProperty prop, Object value) in c:\jenkins\workspace\AppStudio-Core-Modeler\src\modeler\Mendix.Modeler.Storage\Operations\WriteBsoner.cs:line 90
at Mendix.Modeler.Storage.Operations.WriteBsoner.WriteBsonObject(BsonWriter writer, IStorageUnit enclosingUnit, IStorageObject obj) in c:\jenkins\workspace\AppStudio-Core-Modeler\src\modeler\Mendix.Modeler.Storage\Operations\WriteBsoner.cs:line 47
at Mendix.Modeler.Storage.Operations.Deployer.WriteUnitsContents(FileStream fileStream, HashSet`1 units, IProgressInfo info) in c:\jenkins\workspace\AppStudio-Core-Modeler\src\modeler\Mendix.Modeler.Storage\Operations\Deployer.cs:line 75
at Mendix.Modeler.Storage.Operations.Deployer.Deploy(IStorageUnit unit, String targetFilePath, IProgressInfo info) in c:\jenkins\workspace\AppStudio-Core-Modeler\src\modeler\Mendix.Modeler.Storage\Operations\Deployer.cs:line 27
at Mendix.Modeler.Storage.StorageUtil.Deploy(IStorageUnit unit, String targetFilePath, IProgressInfo info) in c:\jenkins\workspace\AppStudio-Core-Modeler\src\modeler\Mendix.Modeler.Storage\StorageUtil.cs:line 17
at Mendix.Modeler.Deployment.DeploymentProcessBuilder.ExportModel(IProgressInfo info) in c:\jenkins\workspace\AppStudio-Core-Modeler\src\modeler\Modeler\Deployment\DeploymentProcessBuilder.cs:line 88
at Mendix.Modeler.Deployment.FileIOExceptionHandlingProcess.<>cDisplayClass2.<>cDisplayClass4.<addstep>b1() in c:\jenkins\workspace\AppStudio-Core-Modeler\src\modeler\Modeler\Deployment\FileIOExceptionHandlingProcess.cs:line 19
at Mendix.Modeler.Deployment.FileIOExceptionHandlingProcess.CatchDiskException(Action action) in c:\jenkins\workspace\AppStudio-Core-Modeler\src\modeler\Modeler\Deployment\FileIOExceptionHandlingProcess.cs:line 28
at Mendix.Modeler.Deployment.FileIOExceptionHandlingProcess.<>cDisplayClass2.<addstep>b0(IProgressInfo info) in c:\jenkins\workspace\AppStudio-Core-Modeler\src\modeler\Modeler\Deployment\FileIOExceptionHandlingProcess.cs:line 19
at Mendix.Modeler.Utility.Progress.Step.Run(IProgressInfo info) in c:\jenkins\workspace\AppStudio-Core-Modeler\src\modeler\Mendix.Modeler.Utility.Gui\Progress\Step.cs:line 22
at Mendix.Modeler.Utility.Progress.ProcessRunner.RunStep(Step step) in c:\jenkins\workspace\AppStudio-Core-Modeler\src\modeler\Mendix.Modeler.Utility.Gui\Progress\ProcessRunner.cs:line 85
at Mendix.Modeler.Utility.Progress.ProcessRunner.workerDoWork(Object sender, DoWorkEventArgs e) in c:\jenkins\workspace\AppStudio-Core-Modeler\src\modeler\Mendix.Modeler.Utility.Gui\Progress\ProcessRunner.cs:line 67
at System.ComponentModel.BackgroundWorker.OnDoWork(DoWorkEventArgs e)
at System.ComponentModel.BackgroundWorker.WorkerThreadStart(Object argument)