By VS 2019, I created an API project (database first), everything it\'s working well, now I made some changes in the database like add new tables and some property and modif
Try to recreate your models via Scaffold-DbContext with "Force" param.
Scaffold-DbContext "Data Source=yoursource;Initial Catalog=yourdb;Integrated Security=True;Connect Timeout=30;Encrypt=False;TrustServerCertificate=False;ApplicationIntent=ReadWrite;MultiSubnetFailover=False" Microsoft.EntityFrameworkCore.SqlServer -OutputDir Model -Force