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Unable to run Enable-Migrations

Open kashif-khan opened this issue 3 years ago • 1 comments

I am unable to run Enable-Migrations on with this demo code. All the packages are restored and there is no modification to the code. I am getting below exception when running.

PM> Enable-Migrations
System.ArgumentNullException: Value cannot be null.
Parameter name: type
   at System.Activator.CreateInstance(Type type, BindingFlags bindingAttr, Binder binder, Object[] args, CultureInfo culture, Object[] activationAttributes)
   at System.Activator.CreateInstance(Type type, Object[] args)
   at System.Data.Entity.Migrations.Extensions.ProjectExtensions.GetProjectTypes(Project project, Int32 shellVersion)
   at System.Data.Entity.Migrations.Extensions.ProjectExtensions.IsWebSiteProject(Project project)
   at System.Data.Entity.Migrations.Extensions.ProjectExtensions.GetTargetDir(Project project)
   at System.Data.Entity.Migrations.MigrationsDomainCommand.GetFacade(String configurationTypeName, Boolean useContextWorkingDirectory)
   at System.Data.Entity.Migrations.EnableMigrationsCommand.FindContextToEnable(String contextTypeName)
   at System.Data.Entity.Migrations.EnableMigrationsCommand.<>c__DisplayClass2.<.ctor>b__0()
   at System.Data.Entity.Migrations.MigrationsDomainCommand.Execute(Action command)
Value cannot be null.
Parameter name: type

image

kashif-khan avatar May 06 '22 13:05 kashif-khan

I am unable to run Enable-Migrations on with this demo code. All the packages are restored and there is no modification to the code. I am getting below exception when running.

PM> Enable-Migrations
System.ArgumentNullException: Value cannot be null.
Parameter name: type
   at System.Activator.CreateInstance(Type type, BindingFlags bindingAttr, Binder binder, Object[] args, CultureInfo culture, Object[] activationAttributes)
   at System.Activator.CreateInstance(Type type, Object[] args)
   at System.Data.Entity.Migrations.Extensions.ProjectExtensions.GetProjectTypes(Project project, Int32 shellVersion)
   at System.Data.Entity.Migrations.Extensions.ProjectExtensions.IsWebSiteProject(Project project)
   at System.Data.Entity.Migrations.Extensions.ProjectExtensions.GetTargetDir(Project project)
   at System.Data.Entity.Migrations.MigrationsDomainCommand.GetFacade(String configurationTypeName, Boolean useContextWorkingDirectory)
   at System.Data.Entity.Migrations.EnableMigrationsCommand.FindContextToEnable(String contextTypeName)
   at System.Data.Entity.Migrations.EnableMigrationsCommand.<>c__DisplayClass2.<.ctor>b__0()
   at System.Data.Entity.Migrations.MigrationsDomainCommand.Execute(Action command)
Value cannot be null.
Parameter name: type

image

Try Updating EntityFrameworkCore Version and check again..

AjayDevCL avatar Nov 29 '22 05:11 AjayDevCL