FixAuth

Entities/Contracts/ClassTeacher.cs

@@ -14,11 +14,13 @@ namespace Entities.Contracts
 		[Key] 
 		[Column("class_id")]
 		public Guid ClassId { get; set; }
+		[ForeignKey(nameof(ClassId))]
 		public Class Class { get; set; }
 
 		[Key] 
 		[Column("teacher_id")] 
 		public Guid TeacherId { get; set; }
+		[ForeignKey(nameof(TeacherId))]
 		public User Teacher { get; set; }
 
 		[Column("subject_taught")]

Entities/Contracts/User.cs

@@ -21,7 +21,9 @@ namespace Entities.Contracts
 		[Column("deleted")]
 		public bool IsDeleted { get; set; }
 
+		[InverseProperty(nameof(ClassTeacher.Teacher))]
 		public ICollection<ClassTeacher> TaughtClassesLink { get; set; }
+		[InverseProperty(nameof(ClassStudent.Student))]
 		public ICollection<ClassStudent> EnrolledClassesLink { get; set; }
 
 		public ICollection<Question> CreatedQuestions { get; set; }