diff --git a/src/DataStructures/DataCache.cs b/src/DataStructures/DataCache.cs
index 851f01a..44d2bae 100644
--- a/src/DataStructures/DataCache.cs
+++ b/src/DataStructures/DataCache.cs
@@ -9,12 +9,12 @@ namespace Nocturnis.DataStructures;
 
 public class DataCache : CacheItem<DataVariable>
 {
-    public new static DataCache Null => new (x => (0, GlobalProvider.DataStructureProvider!.NullDataType));
+    public new static DataCache Null => new (x => (null, DataTypeConstant.BaseDataTypes.Null));
     public DataCache(Func<CacheItem, DataVariable> rec) : base(rec) => throw new Exception("CONSTRUCTION NOT ALLOWED");
 
     public DataCache(Func<CacheItem, (object, DataType)> rec)
     {
-        Value = GlobalProvider.DataStructureProvider!.NewData(0, DataTypeConstant.BaseDataTypes.Null);
+        Value = new DataVariable();
         ProxyCalculator = rec;
     }
 
diff --git a/src/DataStructures/DataTypes/DataType.cs b/src/DataStructures/DataTypes/DataType.cs
index 2e622d5..8c7adf5 100644
--- a/src/DataStructures/DataTypes/DataType.cs
+++ b/src/DataStructures/DataTypes/DataType.cs
@@ -94,13 +94,15 @@ public class DataType
         }
     }
 
-    public static bool operator ==(DataType a, DataType b) => a.Signature == b.Signature;
+    public static bool operator ==(DataType a, DataType b) => a?.Signature == b?.Signature;
 
-    public static bool operator !=(DataType a, DataType b) => a.Signature != b.Signature;
+    public static bool operator !=(DataType a, DataType b) => a?.Signature != b?.Signature;
 
     public void Assign(DataType oth)
     {
         Type = oth.Type;
+        if (ElementType == null)
+            ElementType = new();
         ElementType.Assign(oth.ElementType);
         StructName = oth.StructName;
     }
diff --git a/src/Enigmos/Modules/EBaseModule.cs b/src/Enigmos/Modules/EBaseModule.cs
index edffce2..02e4a2b 100644
--- a/src/Enigmos/Modules/EBaseModule.cs
+++ b/src/Enigmos/Modules/EBaseModule.cs
@@ -14,6 +14,6 @@ public static class EBaseModule
             return port;
         }
 
-        throw new Exception("NOT A PORT");
+        throw new Exception($"NOT A PORT {typeof(TPort)}");
     }
 }
diff --git a/src/GlobalManagement/Providers/GlobalProvider.cs b/src/GlobalManagement/Providers/GlobalProvider.cs
index 9a82f72..432048b 100644
--- a/src/GlobalManagement/Providers/GlobalProvider.cs
+++ b/src/GlobalManagement/Providers/GlobalProvider.cs
@@ -1,5 +1,4 @@
 using Godot;
-using Nocturnis.DataStructures.Data;
 using Nocturnis.DataStructures.DataTypes;
 using Nocturnis.Enigmos.Modules;
 using Nocturnis.Inventories.Items;
@@ -8,23 +7,23 @@ namespace Nocturnis.GlobalManagement.Providers;
 
 public static class GlobalProvider
 {
-    public static IEnigmosProvider? EnigmosProvider { get; set; }
-    public static IDataStructureProvider? DataStructureProvider { get; set; }
-    public static IUIProvider? UIProvider { get; set; }
-    public static ISceneProvider? SceneProvider { get; set; }
-    public static IPolymorphismProvider? PolymorphismProvider { get; set; }
-    public static IDataTypeProvider? DataTypeProvider { get; set; }
+    public static IEnigmosProvider EnigmosProvider { get; set; }
+    public static IDataStructureProvider DataStructureProvider { get; set; }
+    public static IUIProvider UIProvider { get; set; }
+    public static ISceneProvider SceneProvider { get; set; }
+    public static IPolymorphismProvider PolymorphismProvider { get; set; }
+    public static IDataTypeProvider DataTypeProvider { get; set; }
 
     public static class ModulePreviewMapper<TModule>
         where TModule : IBaseModule
     {
-        public static Texture2D? Preview { get; set; }
+        public static Texture2D Preview { get; set; }
     }
 
     public static class ItemIconMapper<TItem>
         where TItem : IBaseItem
     {
-        public static Texture2D? Texture { get; set; }
+        public static Texture2D Texture { get; set; }
     }
 
     public static class AssetMapper<T>
@@ -34,16 +33,7 @@ public static class GlobalProvider
 
     public static readonly Dictionary<string, PackedScene> SceneNameMapper = new();
 
-    public static Font? Font { get; set; }
+    public static Font Font { get; set; }
 
-    public static class DataTypes
-    {
-        public static DataType Null { get; set; }
-        public static DataType Bit { get; set; }
-        public static DataType Real { get; set; }
-        public static DataType Complex { get; set; }
-        public static DataType R2 { get; set; }
-        public static DataType C2 { get; set; }
-        public static DataType Int { get; set; }
-    }
+    public static readonly Dictionary<StringName, Texture2D> DataTypeTexture = new();
 }
diff --git a/src/GlobalManagement/Providers/IDataStructureProvider.cs b/src/GlobalManagement/Providers/IDataStructureProvider.cs
index e4d0c48..f7273a0 100644
--- a/src/GlobalManagement/Providers/IDataStructureProvider.cs
+++ b/src/GlobalManagement/Providers/IDataStructureProvider.cs
@@ -1,7 +1,5 @@
 using Godot;
-using Nocturnis.DataStructures;
 using Nocturnis.DataStructures.ConfigurableParameters;
-using Nocturnis.DataStructures.Data;
 using Nocturnis.DataStructures.DataPortGroups;
 using Nocturnis.DataStructures.DataTypeOptions;
 using Nocturnis.DataStructures.DataTypes;
@@ -13,7 +11,6 @@ namespace Nocturnis.GlobalManagement.Providers;
 
 public interface IDataStructureProvider
 {
-    DataType NullDataType { get; }
     Variant NewVariantWithType(string type, Variant a);
     IBoolParameter NewBoolParameter(string d, string t, string f, bool def);
 
@@ -23,11 +20,6 @@ public interface IDataStructureProvider
 
     IDataOutGroup NewDataOutGroup(IBaseModule m, IDataOutPort[] pts, string desc, DataType defType, DataTypeOption typeOpts);
 
-    DataVariable NewData(object data, DataType type);
-
     IDoubleParameter NewDoubleParameter(string name, double min, double max, double def);
     IKeyParameter NewKeyParameter(string a, string b);
-    DataVariable NullData { get; }
-    DataVariable DefaultData { get; }
-    StringName ArrayToElement(StringName arrayType);
-}
\ No newline at end of file
+}
diff --git a/src/GlobalManagement/Providers/IDataTypeProvider.cs b/src/GlobalManagement/Providers/IDataTypeProvider.cs
index ebfc664..93f0de4 100644
--- a/src/GlobalManagement/Providers/IDataTypeProvider.cs
+++ b/src/GlobalManagement/Providers/IDataTypeProvider.cs
@@ -1,4 +1,3 @@
-using Godot;
 using Nocturnis.DataStructures.DataTypes;
 
 namespace Nocturnis.GlobalManagement.Providers;
diff --git a/src/GlobalManagement/Providers/IPolymorphismProvider.cs b/src/GlobalManagement/Providers/IPolymorphismProvider.cs
index 7dab3a1..017d479 100644
--- a/src/GlobalManagement/Providers/IPolymorphismProvider.cs
+++ b/src/GlobalManagement/Providers/IPolymorphismProvider.cs
@@ -1,5 +1,3 @@
-using Godot;
-using Nocturnis.DataStructures;
 using Nocturnis.DataStructures.Data;
 using Nocturnis.DataStructures.DataTypes;