.net core Error
InvalidOperationException: Unable to resolve service for type 'Microsoft.AspNetCore.Identity.RoleManager
Microsoft.Extensions.DependencyInjection.ActivatorUtilities.ThrowHelperUnableToResolveService(Type type, Type requiredBy) what is the solution of this error?
1[Microsoft.AspNetCore.Identity.IdentityRoleMicrosoft.Extensions.DependencyInjection.ActivatorUtilities.ThrowHelperUnableToResolveService(Type type, Type requiredBy) what is the solution of this error?
