[Källa] MySQL Entity Framework Core undantagslösning

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: Metod 'get_Info' i typen 'MySql.Data.EntityFrameworkCore.Infraestructure.MySQLOptionsExtension' från assembler 'MySql.Data.EntityFrameworkCore, Version=8.0.18.0, Culture=neutral, PublicKeyToken=c5687fc88969c44d' har ingen implementation.
   på 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:rad 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 alternativAction)
   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-kontext, IEnumerable'1-parametrar)
   på Autofac.Core.Activators.Delegate.DelegateActivator.ActivateInstance(IComponentContext context, IEnumerable'1 parameters)
   på Autofac.Core.Resolving.InstanceLookup.Activate(IEnumerable'1 parameters, Object& decoratorTarget)
   --- Slutspårning av inre undantagsstack ---
   på 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-parametrar)
   på Autofac.Core.Resolving.ResolveOperation.ResolveComponent(IComponentRegistration-registrering, IEnumerable'1-parametrar)
   på Autofac.Core.Resolving.ResolveOperation.Execute(IComponentRegistration-registrering, IEnumerable'1-parametrar)
   på Autofac.Core.Lifetime.LifetimeScope.ResolveComponent(IComponentRegistration-registrering, IEnumerable'1-parametrar)
   på Autofac.ResolutionExtensions.TryResolveService(IComponentContext context, Service service, IEnumerable'1 parameters, Object& instance)
   på Autofac.ResolutionExtensions.ResolveService (IComponentContext context, Service service, IEnumerable'1 parameters)
   på Autofac.ResolutionExtensions.Resolve(IComponentContext context, Type serviceType, IEnumerable'1 parameters)
   på 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(Strängnamn)
   på Microsoft.EntityFrameworkCore.Design.Internal.DbContextOperations.CreateContext(String contextType)
   på Microsoft.EntityFrameworkCore.Design.Internal.MigrationsOperations.AddMigration(Strängnamn, Sträng outputDir, Sträng kontextTyp)
   på Microsoft.EntityFrameworkCore.Design.OperationExecutor.AddMigrationImpl(Strängnamn, SträngoutputDir, Sträng 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)
Ett undantag kastades när λ:Microsoft.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]].