Interface with create web api

I have create a web api using Interface but I have a issue .

Severity    Code    Description    Project    File    Line    Suppression State
Error    CS0311    The type 'WebApiEF.EmpServices.EmpServices' cannot be used as type parameter 'TImplementation' in the generic type or method 'ServiceCollectionServiceExtensions.AddScoped(IServiceCollection)'. There is no implicit reference conversion from 'WebApiEF.EmpServices.EmpServices' to 'WebApiEF.Services.IEmployeeService'.    WebApiEF 12 Active

builder.Services.AddScoped();  - Note I have use visual studio 2022 here not startup.cs file so I have add this line in program.cs