Index: KernelRecordsMVC.Infrastructure/Data/KernelRecordsContext.cs
===================================================================
--- KernelRecordsMVC.Infrastructure/Data/KernelRecordsContext.cs	(revision 08aefc6f3b51f4bfcb7471a2fd319c064171b1c5)
+++ KernelRecordsMVC.Infrastructure/Data/KernelRecordsContext.cs	(revision d2eccb3e3d4db7d262fc57179b8ce6f7fb060d63)
@@ -1,7 +1,8 @@
-using Microsoft.EntityFrameworkCore;
+using KernelRecordsMVC.Domain.Enums;
+using KernelRecordsMVC.Domain.Models;
 using KernelRecordsMVC.Models;
-using KernelRecordsMVC.Domain.Enums;
-
-namespace KernelRecordsMVC.Data;
+using Microsoft.EntityFrameworkCore;
+
+namespace KernelRecordsMVC.Infrastructure.Data;
 
 public class KernelRecordsContext : DbContext
@@ -38,5 +39,7 @@
     public DbSet<AlbumSong> AlbumSongs => Set<AlbumSong>();
 
+    /*
     public DbSet<SingleFeature> SingleFeatures => Set<SingleFeature>();
+    */
 
     protected override void OnModelCreating(ModelBuilder modelBuilder)
@@ -74,5 +77,6 @@
 
             entity.Property(x => x.UserId)
-                .HasColumnName("user_id");
+                .HasColumnName("user_id")
+                .ValueGeneratedOnAdd();
 
             entity.Property(x => x.Email)
@@ -332,5 +336,6 @@
 
             entity.Property(x => x.OrderId)
-                .HasColumnName("order_id");
+                .HasColumnName("order_id")
+                .ValueGeneratedOnAdd();
 
             entity.Property(x => x.UserId)
@@ -636,5 +641,5 @@
 
 
-        // ==========================================
+        /*// ==========================================
         // SINGLE_FEATURES
         // ==========================================
@@ -665,5 +670,5 @@
                 .HasForeignKey(x => x.SongId)
                 .OnDelete(DeleteBehavior.Cascade);
-        });
+        });*/
     }
 }