title: Umbraco System.Data.SqlServerCe.SqlCeException
body: <p>I have created a MVC project and then installed Umbraco CMS version 7.4.0 and debugged it runs good. Then I have installed the EventCalender plugin and then debugged caused an error</p>
  <blockquote>
  <p>The column name is not valid. [ Node name (if any) = ,Column name =
  uniqueId ]</p>
  <p>Description: An unhandled exception occurred during the execution of
  the current web request. Please review the stack trace for more
  information about the error and where it originated in the code.</p>
  <p>Exception Details: System.Data.SqlServerCe.SqlCeException: The column
  name is not valid. [ Node name (if any) = ,Column name = uniqueId ]</p>
  </blockquote>
  <p>The stack traced information was</p>
  <blockquote>
  <p>[SqlCeException (0x80004005): The column name is not valid. [ Node
  name (if any) = ,Column name = uniqueId ]]<br />
  System.Data.SqlServerCe.SqlCeCommand.ProcessResults(Int32 hr) +48<br />
  System.Data.SqlServerCe.SqlCeCommand.CompileQueryPlan() +644<br />
  System.Data.SqlServerCe.SqlCeCommand.ExecuteCommand(CommandBehavior
  behavior, String method, ResultSetOptions options) +543<br />
  System.Data.SqlServerCe.SqlCeCommand.ExecuteNonQuery() +21<br />
  StackExchange.Profiling.Data.ProfiledDbCommand.ExecuteNonQuery() in
  c:\Code\github\SamSaffron\MiniProfiler\StackExchange.Profiling\Data\ProfiledDbCommand.cs:279
  Umbraco.Core.Persistence.&lt;&gt;c__DisplayClass2_0.b__0()
  +55    Umbraco.Core.Persistence.FaultHandling.RetryPolicy.ExecuteAction(Func<code>1 func) +170    Umbraco.Core.Persistence.PetaPocoCommandExtensions.ExecuteNonQueryWithRetry(IDbCommand command, RetryPolicy cmdRetryPolicy, RetryPolicy conRetryPolicy) +118  Umbraco.Core.Persistence.PetaPocoCommandExtensions.ExecuteNonQueryWithRetry(IDbCommand command, RetryPolicy retryPolicy) +52    Umbraco.Core.Persistence.PetaPocoCommandExtensions.ExecuteNonQueryWithRetry(IDbCommand command) +48    Umbraco.Core.Persistence.Database.Insert(String tableName, String primaryKeyName, Boolean autoIncrement, Object poco) +2149    Umbraco.Core.Persistence.Database.Insert(Object poco) +51    Umbraco.Core.Persistence.Repositories.MacroRepository.PersistNewItem(IMacro entity) +121    Umbraco.Core.Cache.DefaultRepositoryCachePolicy</code>2.Create(TEntity
  entity, Action<code>1 persistNew) +409    Umbraco.Core.Persistence.Repositories.RepositoryBase</code>2.PersistNewItem(IEntity
  entity) +172<br />
  Umbraco.Core.Persistence.UnitOfWork.ScopeUnitOfWork.Commit(Action<code>1 transactionCompleting) +63    Umbraco.Core.Persistence.UnitOfWork.ScopeUnitOfWork.Commit() +7    Umbraco.Core.Services.MacroService.Save(IMacro macro, Int32 userId) +275    Umbraco.Core.Services.PackagingService.ImportMacros(XElement element, Int32 userId, Boolean raiseEvents) +551    umbraco.cms.businesslogic.packager.Installer.InstallBusinessLogic(Int32 packageId, String tempDir) +2976    A.F.b() +221    A.F.a() +86    A.F.A() +87    EventCalendar.Umbraco.StartUp.OnApplicationStarted(UmbracoApplicationBase umbracoApplication, ApplicationContext applicationContext) +30    Umbraco.Core.CoreBootManager.&lt;Complete&gt;b__38_0(IApplicationEventHandler x) +230    Umbraco.Core.EnumerableExtensions.ForEach(IEnumerable</code>1
  items, Action<code>1 action) +141    Umbraco.Core.CoreBootManager.Complete(Action</code>1 afterComplete) +286<br />
  Umbraco.Web.WebBootManager.Complete(Action`1 afterComplete) +93<br />
  Umbraco.Core.UmbracoApplicationBase.StartApplication(Object sender,
  EventArgs e) +262<br />
  Umbraco.Core.UmbracoApplicationBase.Application_Start(Object sender,
  EventArgs e) +34</p>
  <p>[HttpException (0x80004005): The column name is not valid. [ Node name
  (if any) = ,Column name = uniqueId ]]<br />
  System.Web.HttpApplicationFactory.EnsureAppStartCalledForIntegratedMode(HttpContext
  context, HttpApplication app) +10107111<br />
  System.Web.HttpApplication.RegisterEventSubscriptionsWithIIS(IntPtr
  appContext, HttpContext context, MethodInfo[] handlers) +123<br />
  System.Web.HttpApplication.InitSpecial(HttpApplicationState state,
  MethodInfo[] handlers, IntPtr appContext, HttpContext context) +181<br />
  System.Web.HttpApplicationFactory.GetSpecialApplicationInstance(IntPtr
  appContext, HttpContext context) +228<br />
  System.Web.Hosting.PipelineRuntime.InitializeApplication(IntPtr
  appContext) +314</p>
  <p>[HttpException (0x80004005): The column name is not valid. [ Node name
  (if any) = ,Column name = uniqueId ]]<br />
  System.Web.HttpRuntime.FirstRequestInit(HttpContext context) +10087352
  System.Web.HttpRuntime.EnsureFirstRequestInit(HttpContext context) +99
  System.Web.HttpRuntime.ProcessRequestNotificationPrivate(IIS7WorkerRequest
  wr, HttpContext context) +263</p>
  </blockquote>
  <p>What to do to get this issue fixed?</p>