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
The column name is not valid. [ Node name (if any) = ,Column name = uniqueId ]
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.
Exception Details: System.Data.SqlServerCe.SqlCeException: The column name is not valid. [ Node name (if any) = ,Column name = uniqueId ]
The stack traced information was
[SqlCeException (0x80004005): The column name is not valid. [ Node name (if any) = ,Column name = uniqueId ]]
System.Data.SqlServerCe.SqlCeCommand.ProcessResults(Int32 hr) +48
System.Data.SqlServerCe.SqlCeCommand.CompileQueryPlan() +644
System.Data.SqlServerCe.SqlCeCommand.ExecuteCommand(CommandBehavior behavior, String method, ResultSetOptions options) +543
System.Data.SqlServerCe.SqlCeCommand.ExecuteNonQuery() +21
StackExchange.Profiling.Data.ProfiledDbCommand.ExecuteNonQuery() in c:\Code\github\SamSaffron\MiniProfiler\StackExchange.Profiling\Data\ProfiledDbCommand.cs:279 Umbraco.Core.Persistence.<>c__DisplayClass2_0.b__0() +55 Umbraco.Core.Persistence.FaultHandling.RetryPolicy.ExecuteAction(Func1 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.DefaultRepositoryCachePolicy2.Create(TEntity entity, Action1 persistNew) +409 Umbraco.Core.Persistence.Repositories.RepositoryBase2.PersistNewItem(IEntity entity) +172
Umbraco.Core.Persistence.UnitOfWork.ScopeUnitOfWork.Commit(Action1 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.<Complete>b__38_0(IApplicationEventHandler x) +230 Umbraco.Core.EnumerableExtensions.ForEach(IEnumerable1 items, Action1 action) +141 Umbraco.Core.CoreBootManager.Complete(Action1 afterComplete) +286
Umbraco.Web.WebBootManager.Complete(Action`1 afterComplete) +93
Umbraco.Core.UmbracoApplicationBase.StartApplication(Object sender, EventArgs e) +262
Umbraco.Core.UmbracoApplicationBase.Application_Start(Object sender, EventArgs e) +34[HttpException (0x80004005): The column name is not valid. [ Node name (if any) = ,Column name = uniqueId ]]
System.Web.HttpApplicationFactory.EnsureAppStartCalledForIntegratedMode(HttpContext context, HttpApplication app) +10107111
System.Web.HttpApplication.RegisterEventSubscriptionsWithIIS(IntPtr appContext, HttpContext context, MethodInfo[] handlers) +123
System.Web.HttpApplication.InitSpecial(HttpApplicationState state, MethodInfo[] handlers, IntPtr appContext, HttpContext context) +181
System.Web.HttpApplicationFactory.GetSpecialApplicationInstance(IntPtr appContext, HttpContext context) +228
System.Web.Hosting.PipelineRuntime.InitializeApplication(IntPtr appContext) +314[HttpException (0x80004005): The column name is not valid. [ Node name (if any) = ,Column name = uniqueId ]]
System.Web.HttpRuntime.FirstRequestInit(HttpContext context) +10087352 System.Web.HttpRuntime.EnsureFirstRequestInit(HttpContext context) +99 System.Web.HttpRuntime.ProcessRequestNotificationPrivate(IIS7WorkerRequest wr, HttpContext context) +263
What to do to get this issue fixed?
Maybe an unsupported version of the Plugin for that version of Umbraco? Can't say for sure, but this should hopefully get you back running if the plugin is to blame.