[Kilde] MySQL Entity Framework Core undtagelsesløsning

System.TypeLoadException:“Method 'get_Info' in type 'Pomelo.EntityFrameworkCore.MySql.Infrastructure.Internal.MySqlOptionsExtension' from assembly 'Pomelo.EntityFrameworkCore.MySql, Version=2.2.6.0, Culture=neutral, PublicKeyToken=null' does not have an implementation.”

System.TypeLoadException:“Method 'get_Info' in type 'MySql.Data.EntityFrameworkCore.Infraestructure.MySQLOptionsExtension' from assembly 'MySql.Data.EntityFrameworkCore, Version=8.0.18.0, Culture=neutral, PublicKeyToken=c5687fc88969c44d' does not have an implementation.”

Autofac.Core.DependencyResolutionException: An exception was thrown while activating λ:Microsoft.EntityFrameworkCore.DbContextOptions[] -> λ:Microsoft.EntityFrameworkCore.DbContextOptions -> λ:Microsoft.EntityFrameworkCore.DbContextOptions`1[[itsvse.DomainModels.itsvseDb, itsvse.DomainModels, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]].
---> System.TypeLoadException: Metode 'get_Info' i typen 'MySql.Data.EntityFrameworkCore.Infraestructure.MySQLOptionsExtension' fra assembly 'MySql.Data.EntityFrameworkCore, Version=8.0.18.0, Culture=neutral, PublicKeyToken=c5687fc88969c44d' har ikke en implementering.
   at Microsoft.EntityFrameworkCore.MySQLDbContextOptionsExtensions.UseMySQL
   På ITSVSE. WebUI.Startup. <ConfigureServices>b__4_0(DbContextOptionsBuilder opt) i C:\Users\DELL\source\repos\itsvse\itsvse. WebUI\Startup.cs:linje 39
   på Microsoft.Extensions.DependencyInjection.EntityFrameworkServiceCollectionExtensions.<>c__DisplayClass3_0'2. <AddDbContextPool>b__0(IServiceProvider _, DbContextOptionsBuilder ob)
   på Microsoft.Extensions.DependencyInjection.EntityFrameworkServiceCollectionExtensions.<>c__DisplayClass5_0'2. <AddDbContextPool>b__0(IServiceProvider sp, DbContextOptionsBuilder ob)
   på Microsoft.Extensions.DependencyInjection.EntityFrameworkServiceCollectionExtensions.DbContextOptionsFactory[TContext](IServiceProvider applicationServiceProvider, Action'2 mulighederAction)
   på Microsoft.Extensions.DependencyInjection.EntityFrameworkServiceCollectionExtensions.<>c__DisplayClass10_0'1. <AddCoreServices>b__0(IServiceProvider p)
   på Autofac.Extensions.DependencyInjection.AutofacRegistration.<>c__DisplayClass3_0. <Register>b__0(IComponentContext kontekst, IEnumerable'1 parametre)
   på Autofac.Core.Activators.Delegate.DelegateActivator.ActivateInstance(IComponentContext context, IEnumerable'1 parametre)
   at Autofac.Core.Resolving.InstanceLookup.Activate(IEnumerable'1 parameters, Object& decoratorTarget)
   --- Slutspor af indre undtagelsesstak ---
   at Autofac.Core.Resolving.InstanceLookup.Activate(IEnumerable'1 parameters, Object& decoratorTarget)
   på Autofac.Core.Resolving.InstanceLookup.Execute()
   på Autofac.Core.Resolving.ResolveOperation.GetOrCreateInstance(ISharingLifetimeScope currentOperationScope, IComponentRegistration-registrering, IEnumerable'1-parametre)
   på Autofac.Core.Resolving.ResolveOperation.ResolveComponent(IComponentRegistration-registrering, IEnumerable'1-parametre)
   at Autofac.Core.Resolving.ResolveOperation.Execute(IComponentRegistration registration, IEnumerable'1 parameters)
   på Autofac.Core.Lifetime.LifetimeScope.ResolveComponent(IComponentRegistration-registrering, IEnumerable'1 parametre)
   på Autofac.ResolutionExtensions.TryResolveService(IComponentContext context, Service service, IEnumerable'1 parameters, Object& instance)
   på Autofac.ResolutionExtensions.ResolveService(IComponentContext context, Service service, IEnumerable'1 parametre)
   at Autofac.ResolutionExtensions.Resolve(IComponentContext context, Type serviceType, IEnumerable'1 parametre)
   at Autofac.ResolutionExtensions.Resolve(IComponentContext context, Type serviceType)
   på Autofac.Extensions.DependencyInjection.AutofacServiceProvider.GetRequiredService(Type serviceType)
   på Microsoft.Extensions.DependencyInjection.ServiceProviderServiceExtensions.GetRequiredService(IServiceProvider provider, Type serviceType)
   på Microsoft.Extensions.DependencyInjection.ServiceProviderServiceExtensions.GetRequiredService[T](IServiceProvider provider)
   på Microsoft.Extensions.DependencyInjection.ServiceProviderServiceExtensions.GetServices[T](IServiceProvider provider)
   på Microsoft.EntityFrameworkCore.Design.Internal.DbContextOperations.FindContextTypes()
   på Microsoft.EntityFrameworkCore.Design.Internal.DbContextOperations.FindContextType(Strengnavn)
   på Microsoft.EntityFrameworkCore.Design.Internal.DbContextOperations.CreateContext(String contextType)
   på Microsoft.EntityFrameworkCore.Design.Internal.MigrationsOperations.AddMigration(Strengnavn, Streng outputDir, Streng contextType)
   på Microsoft.EntityFrameworkCore.Design.OperationExecutor.AddMigrationImpl(Strengnavn, Streng outputDir, Streng contextType)
   på Microsoft.EntityFrameworkCore.Design.OperationExecutor.AddMigration.<>c__DisplayClass0_0. <.ctor>b__0()
   på Microsoft.EntityFrameworkCore.Design.OperationExecutor.OperationBase.<>c__DisplayClass3_0'1. <Execute>b__0()
   på Microsoft.EntityFrameworkCore.Design.OperationExecutor.OperationBase.Execute(Action action)
En undtagelse blev kastet under aktivering af λ:Microsoft.EntityFrameworkCore.DbContextOptions[] -> λ:Microsoft.EntityFrameworkCore.DbContextOptions -> λ: Microsoft.EntityFrameworkCore.DbContextOptions'1[[itsvse. DomainModels.itsvseDb, itsvse. DomainModels, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]].