title: An error occurred during the activation of a particular registration
body: <p>I have created <code>odata</code> service and pack up into the Web installer. That package is working properly once I installed on my computer but I can't use it on other computers when I tried to run on different computers, it comes up with the following errors:</p>
  
  <p>Any help would be really appreciated. </p>
  
  <blockquote>
    <p> An error has occurred. 
    An error occurred during the activation of a particular registration.
    See the inner exception for details. Registration: Activator =
    ConfigDataContext (ReflectionActivator), Services =
    [Deswik.MDM.Spatial.MDMPoints.DataContexts.Interface.IConfigDataContext],
    Lifetime = Autofac.Core.Lifetime.CurrentScopeLifetime, Sharing = None,
    Ownership = OwnedByLifetimeScope ---> An exception was thrown while
    invoking the constructor 'Void
    .ctor(Deswik.MDM.SqlCommandBuilder.Interface.ISqlCommandBuilder,
    System.String)' on type 'ConfigDataContext'. ---> The ConnectionString
    property has not been initialized. (See inner exception for details.)
    (See inner exception for 'enter code here'details.)
    
    Autofac.Core.DependencyResolutionException
     at
    Autofac.Core.Resolving.InstanceLookup.Activate(IEnumerable'1
    parameters) at Autofac.Core.Resolving.InstanceLookup.Execute() at
    Autofac.Core.Resolving.ResolveOperation.GetOrCreateInstance(ISharingLifetimeScope
    currentOperationScope, IComponentRegistration registration,
    IEnumerable'1 parameters) at
    Autofac.Core.Resolving.ResolveOperation.Execute(IComponentRegistration
    registration, IEnumerable'1 parameters) at
    Autofac.ResolutionExtensions.TryResolveService(IComponentContext
    context, Service service, IEnumerable'1 parameters, Object&amp; instance)
    at Autofac.ResolutionExtensions.ResolveService(IComponentContext
    context, Service service, IEnumerable'1 parameters) at
    Autofac.ResolutionExtensions.Resolve[TService](IComponentContext
    context, IEnumerable'1 parameters) at
    Deswik.MDM.Spatial.MDMPoints.Controllers.MDMPointsController.Get(ODataQueryOptions'1
    queryOptions) at lambda_method(Closure , Object , Object[] ) at
    System.Web.Http.Controllers.ReflectedHttpActionDescriptor.ActionExecutor.&lt;>c__DisplayClass10.b__9(Object
    instance, Object[] methodParameters) at
    System.Web.Http.Controllers.ReflectedHttpActionDescriptor.ExecuteAsync(HttpControllerContext
    controllerContext, IDictionary'2 arguments, CancellationToken
    cancellationToken) --- End of stack trace from previous location where
    exception was thrown --- at
    System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at
    System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task
    task) at
    System.Web.Http.Controllers.ApiControllerActionInvoker.d__0.MoveNext()
    --- End of stack trace from previous location where exception was thrown --- at
    System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at
    System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task
    task) at
    System.Web.Http.Filters.ActionFilterAttribute.d__5.MoveNext()
    --- End of stack trace from previous location where exception was thrown --- at
    System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at
    System.Web.Http.Filters.ActionFilterAttribute.d__5.MoveNext()
    --- End of stack trace from previous location where exception was thrown --- at
    System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at
    System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task
    task) at
    System.Web.Http.Filters.ActionFilterAttribute.d__0.MoveNext()
    --- End of stack trace from previous location where exception was thrown --- at
    System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at
    System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task
    task) at
    System.Web.Http.Controllers.ActionFilterResult.d__2.MoveNext()
    --- End of stack trace from previous location where exception was thrown --- at
    System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at
    System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task
    task) at
    System.Web.Http.Dispatcher.HttpControllerDispatcher.d__1.MoveNext()
      An error has
    occurred.  An exception was thrown while
    invoking the constructor 'Void
    .ctor(Deswik.MDM.SqlCommandBuilder.Interface.ISqlCommandBuilder,
    System.String)' on type 'ConfigDataContext'. ---> The ConnectionString
    property has not been initialized. (See inner exception for details.)
    
    Autofac.Core.DependencyResolutionException
     at
    Autofac.Core.Activators.Reflection.ConstructorParameterBinding.Instantiate()
    at
    Autofac.Core.Activators.Reflection.ReflectionActivator.ActivateInstance(IComponentContext
    context, IEnumerable'1 parameters) at
    Autofac.Core.Resolving.InstanceLookup.Activate(IEnumerable'1
    parameters)   An error has
    occurred.  The ConnectionString property
    has not been initialized. 
    System.InvalidOperationException
     at System.Data.SqlClient.SqlConnection.PermissionDemand()
    at
    System.Data.SqlClient.SqlConnectionFactory.PermissionDemand(DbConnection
    outerConnection) at
    System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnection
    outerConnection, DbConnectionFactory connectionFactory,
    TaskCompletionSource'1 retry, DbConnectionOptions userOptions) at
    System.Data.SqlClient.SqlConnection.TryOpenInner(TaskCompletionSource'1
    retry) at
    System.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource'1
    retry) at System.Data.SqlClient.SqlConnection.Open() at
    Deswik.MDM.Spatial.MDMPoints.DataContexts.ConfigDataContext..ctor(ISqlCommandBuilder
    sqlCommandBuilder, String connectionString) at lambda_method(Closure ,
    Object[] ) at
    Autofac.Core.Activators.Reflection.ConstructorParameterBinding.Instantiate()
       </p>
  </blockquote>