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Hi Team

I have enabled-migrations well and its running fine, when i try to add-migration it throws an exception
The type initializer for 'System.Data.Entity.Migrations.DbMigrationsConfiguration`1' threw an exception.


What I have tried:

M> Add-Migration eNtsaRegistration

		    
Posted
Comments
Richard Deeming 12-Mar-20 9:22am
   
You'll need the details of the inner exception to know what the problem is. If you can't see the inner exception, try adding the -verbose parameter to the Add-Migration command:
Add-Migration eNtsaRegistration -Verbose
gcogco10 12-Mar-20 9:32am
   
System.TypeInitializationException: The type initializer for 'System.Data.Entity.Migrations.DbMigrationsConfiguration`1' threw an exception. ---> System.TypeInitializationException: The type initializer for 'System.Data.Entity.Internal.AppConfig' threw an exception. ---> System.Configuration.ConfigurationErrorsException: Configuration system failed to initialize ---> System.Configuration.ConfigurationErrorsException: Unrecognized configuration section add. (C:\Users\gcobanim\source\repos\eNtsaRegistrationTraining\Web.config line 14)
at System.Configuration.ConfigurationSchemaErrors.ThrowIfErrors(Boolean ignoreLocal)
at System.Configuration.BaseConfigurationRecord.ThrowIfParseErrors(ConfigurationSchemaErrors schemaErrors)
at System.Configuration.ClientConfigurationSystem.EnsureInit(String configKey)
--- End of inner exception stack trace ---
at System.Configuration.ClientConfigurationSystem.EnsureInit(String configKey)
at System.Configuration.ClientConfigurationSystem.PrepareClientConfigSystem(String sectionName)
at System.Configuration.ClientConfigurationSystem.System.Configuration.Internal.IInternalConfigSystem.GetSection(String sectionName)
at System.Configuration.ConfigurationManager.GetSection(String sectionName)
at System.Configuration.ConfigurationManager.get_ConnectionStrings()
at System.Data.Entity.Internal.AppConfig..ctor()
at System.Data.Entity.Internal.AppConfig..cctor()
--- End of inner exception stack trace ---
at System.Data.Entity.Infrastructure.DependencyResolution.DbConfigurationManager.EnsureLoadedForAssembly(Assembly assemblyHint, Type contextTypeHint)
at System.Data.Entity.Migrations.DbMigrationsConfiguration`1..cctor()
--- End of inner exception stack trace ---
at System.Data.Entity.Migrations.DbMigrationsConfiguration`1..ctor()
at eNtsaRegistrationTraining.Migrations.Configuration..ctor() in C:\Users\gcobanim\source\repos\eNtsaRegistrationTraining\Migrations\Configuration.cs:line 13
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Data.Entity.Migrations.Utilities.MigrationsConfigurationFinder.FindMigrationsConfiguration(Type contextType, String configurationTypeName, Func`2 noType, Func`3 multipleTypes, Func`3 noTypeWithName, Func`3 multipleTypesWithName)
at System.Data.Entity.Infrastructure.Design.Executor.GetMigrationsConfiguration(String migrationsConfigurationName)
at System.Data.Entity.Infrastructure.Design.Executor.ScaffoldInternal(String name, DbConnectionInfo connectionInfo, String migrationsConfigurationName, Boolean ignoreChanges)
at System.Data.Entity.Infrastructure.Design.Executor.Scaffold.<>c__DisplayClass0_0.<.ctor>b__0()
at System.Data.Entity.Infrastructure.Design.Executor.OperationBase.<>c__DisplayClass4_0`1.<execute>b__0()
at System.Data.Entity.Infrastructure.Design.Executor.OperationBase.Execute(Action action)
The type initializer for 'System.Data.Entity.Migrations.DbMigrationsConfiguration`1' threw an exception.
gcogco10 12-Mar-20 9:35am
   
You always my hero Richard, saw what was the issue by using that -verbose. I omit this <appsetting>
ZurdoDev 12-Mar-20 9:37am
   
1. Reply to the comment so that the user is notified.
2. The error says you have something invalid in your config file.
gcogco10 12-Mar-20 9:38am
   
ZurdoDev yes and its fixed. I was missing <appsetting>

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