diff --git a/Sources/EntityFrameWorkLib/ChampionEntity.cs b/Sources/EntityFrameWorkLib/ChampionEntity.cs
index df9864d..29c5c0b 100644
--- a/Sources/EntityFrameWorkLib/ChampionEntity.cs
+++ b/Sources/EntityFrameWorkLib/ChampionEntity.cs
@@ -12,24 +12,24 @@ namespace EntityFrameWorkLib
         [Key]
         [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
         public int UniqueId { get; set; }
-        public string Name { get; set; }
+        public string? Name { get; set; }
 
         //[Required]
         [MaxLength(256)]
-        public string Bio { get; set; }
+        public string? Bio { get; set; }
 
-        public string Icon { get; set; }
+        public string? Icon { get; set; }
 
         //[Required]
         public ChampionClass Class { get; set; }
 
-        public Collection<SkinEntity> Skins { get; set; }
+        public Collection<SkinEntity>? Skins { get; set; }
 
         public LargeImageEntity? LargeImage { get; set; }
 
         public HashSet<SkillEntity> skills = new HashSet<SkillEntity>();
 
-        public Collection<RunePageEntity> ListRunePages { get; set; }
+        public Collection<RunePageEntity>? ListRunePages { get; set; }
     }
 }
 
diff --git a/Sources/EntityFrameWorkLib/LargeImageEntity.cs b/Sources/EntityFrameWorkLib/LargeImageEntity.cs
index 0641a02..542088a 100644
--- a/Sources/EntityFrameWorkLib/LargeImageEntity.cs
+++ b/Sources/EntityFrameWorkLib/LargeImageEntity.cs
@@ -9,13 +9,13 @@ namespace EntityFrameWorkLib
         public Guid Id { get; set; }
 
         //[Required]
-        public string Base64 { get; set; }
+        public string? Base64 { get; set; }
 
         //[Required]
         public int championId { get; set; }
 
         //[Required]
-        public ChampionEntity champion { get; set; }
+        public ChampionEntity? champion { get; set; }
     }
 }
 
diff --git a/Sources/EntityFrameWorkLib/RuneEntity.cs b/Sources/EntityFrameWorkLib/RuneEntity.cs
index 432bb2a..600ed19 100644
--- a/Sources/EntityFrameWorkLib/RuneEntity.cs
+++ b/Sources/EntityFrameWorkLib/RuneEntity.cs
@@ -10,16 +10,16 @@ namespace EntityFrameWorkLib
     {
         [Key]
         //[MaxLength(256)]
-        public string Name { get; set; }
+        public string? Name { get; set; }
 
         //[Required]
         [MaxLength(500)]
-        public string Description { get; set; }
+        public string? Description { get; set; }
 
         //[Required]
         public RuneFamily RuneFamily { get; set; }
 
-        public Collection<RunePageEntity> ListRunePages { get; set; }
+        public Collection<RunePageEntity>? ListRunePages { get; set; }
     }
 }
 
diff --git a/Sources/EntityFrameWorkLib/RunePageEntity.cs b/Sources/EntityFrameWorkLib/RunePageEntity.cs
index bd2affa..d278ec5 100644
--- a/Sources/EntityFrameWorkLib/RunePageEntity.cs
+++ b/Sources/EntityFrameWorkLib/RunePageEntity.cs
@@ -4,7 +4,7 @@ namespace EntityFrameWorkLib
 	public class RunePageEntity
 	{
         public int Id { get; set; }
-        public String Name { get; set; }
+        public String? Name { get; set; }
     }
 
     public enum Category
diff --git a/Sources/EntityFrameWorkLib/SkillEntity.cs b/Sources/EntityFrameWorkLib/SkillEntity.cs
index 74c6b8d..2bb5a6a 100644
--- a/Sources/EntityFrameWorkLib/SkillEntity.cs
+++ b/Sources/EntityFrameWorkLib/SkillEntity.cs
@@ -8,16 +8,16 @@ namespace EntityFrameWorkLib
 	{
         [Key]
         [MaxLength(256)]
-        public string Name { get; set; }
+        public string? Name { get; set; }
 
         //[Required]
         [MaxLength(500)]
-        public string Description { get; set; }
+        public string? Description { get; set; }
 
         //[Required]
         public SkillType SkillType { get; set; }
 
-        public HashSet<ChampionEntity> champions { get; set; }
+        public HashSet<ChampionEntity>? champions { get; set; }
     }
 }
 
diff --git a/Sources/EntityFrameWorkLib/SkinEntity.cs b/Sources/EntityFrameWorkLib/SkinEntity.cs
index fdbd9e8..50c3428 100644
--- a/Sources/EntityFrameWorkLib/SkinEntity.cs
+++ b/Sources/EntityFrameWorkLib/SkinEntity.cs
@@ -7,13 +7,13 @@ namespace EntityFrameWorkLib
 	{
         [Key]
         [MaxLength(256)]
-        public string Name { get; set; }
+        public string? Name { get; set; }
 
         //[Required]
         [MaxLength(500)]
-        public string Description { get; set; }
+        public string? Description { get; set; }
 
-        public string Icon { get; set; }
+        public string? Icon { get; set; }
 
         //[Required]
         public float Price { get; set; }