diff --git a/YantraJS.Core/Core/Object/JSObject.cs b/YantraJS.Core/Core/Object/JSObject.cs
index 58e59cd6..707b4029 100644
--- a/YantraJS.Core/Core/Object/JSObject.cs
+++ b/YantraJS.Core/Core/Object/JSObject.cs
@@ -494,6 +494,7 @@ public override JSValue this[KeyString name] {
         internal protected override bool SetValue(KeyString name, JSValue value, JSValue receiver, bool throwError = true)
         {
             var start = this;
+            var originalName = name.ToStringSpan();
             var p = GetInternalProperty(name, true);
             if (p.IsProperty)
             {
@@ -503,7 +504,7 @@ internal protected override bool SetValue(KeyString name, JSValue value, JSValue
                     return true;
                 }
                 if (throwError)
-                    throw JSContext.Current.NewTypeError($"Cannot modify property {name} of {this} which has only a getter");
+                    throw JSContext.Current.NewTypeError($"Cannot modify property {originalName} of {this} which has only a getter");
                 return false;
             }
             if (p.IsReadOnly)
@@ -511,21 +512,21 @@ internal protected override bool SetValue(KeyString name, JSValue value, JSValue
                 if (throwError)
                 {
                     // Only in Strict Mode ..
-                    throw JSContext.Current.NewTypeError($"Cannot modify property {name} of {this}");
+                    throw JSContext.Current.NewTypeError($"Cannot modify property {originalName} of {this}");
                 }
                 return false;
             }
             if (this.IsFrozen())
             {
                 if(throwError)
-                    throw JSContext.Current.NewTypeError($"Cannot modify property {name} of {this}");
+                    throw JSContext.Current.NewTypeError($"Cannot modify property {originalName} of {this}");
                 return false;
             }
             if (p.IsEmpty && !this.IsExtensible())
             {
                 if (throwError)
                 {
-                    throw JSContext.Current.NewTypeError($"Cannot add property {name} to {this}");
+                    throw JSContext.Current.NewTypeError($"Cannot add property {originalName} to {this}");
                 }
                 return false;
             }
diff --git a/YantraJS.Core/Extensions/JSValueExtensions.cs b/YantraJS.Core/Extensions/JSValueExtensions.cs
index 51a11cc1..bf61b145 100644
--- a/YantraJS.Core/Extensions/JSValueExtensions.cs
+++ b/YantraJS.Core/Extensions/JSValueExtensions.cs
@@ -70,7 +70,7 @@ public static JSValue InvokeMethod(this JSValue @this, in KeyString name, in Arg
         {
             var fx = @this.GetMethod(in name);
             if (fx == null)
-                throw JSContext.Current.NewTypeError($"Method {name} not found in {@this}");
+                throw JSContext.Current.NewTypeError($"Method {name.ToStringSpan()} not found in {@this}");
             return fx(a.OverrideThis(@this));
         }
 
diff --git a/YantraJS.Core/Extensions/JSValueInvokeMethodKeyStringExtensions.cs b/YantraJS.Core/Extensions/JSValueInvokeMethodKeyStringExtensions.cs
index 0d1ef9d9..1989a21e 100644
--- a/YantraJS.Core/Extensions/JSValueInvokeMethodKeyStringExtensions.cs
+++ b/YantraJS.Core/Extensions/JSValueInvokeMethodKeyStringExtensions.cs
@@ -13,7 +13,7 @@ public static partial class JSValueExtensions
         public static JSValue InvokeMethod(this JSValue @this, in KeyString name)
         {
             var fx = @this.GetMethod(name)
-                ?? throw JSContext.Current.NewTypeError($"Method {name} not found in {@this}");
+                ?? throw JSContext.Current.NewTypeError($"Method {name.ToStringSpan()} not found in {@this}");
             var a = new Arguments(@this);
             return fx(a);
         }
@@ -23,7 +23,7 @@ public static JSValue InvokeMethod(this JSValue @this, in KeyString name)
         public static JSValue InvokeMethod(this JSValue @this, in KeyString name, JSValue arg0)
         {
             var fx = @this.GetMethod(name)
-                ?? throw JSContext.Current.NewTypeError($"Method {name} not found in {@this}");
+                ?? throw JSContext.Current.NewTypeError($"Method {name.ToStringSpan()} not found in {@this}");
             var a = new Arguments(@this, arg0);
             return fx(a);
         }
@@ -32,7 +32,7 @@ public static JSValue InvokeMethod(this JSValue @this, in KeyString name, JSValu
         public static JSValue InvokeMethod(this JSValue @this, in KeyString name, JSValue arg0, JSValue arg1)
         {
             var fx = @this.GetMethod(name)
-                ?? throw JSContext.Current.NewTypeError($"Method {name} not found in {@this}");
+                ?? throw JSContext.Current.NewTypeError($"Method {name.ToStringSpan()} not found in {@this}");
             var a = new Arguments(@this, arg0, arg1);
             return fx(a);
         }
@@ -41,7 +41,7 @@ public static JSValue InvokeMethod(this JSValue @this, in KeyString name, JSValu
         public static JSValue InvokeMethod(this JSValue @this, in KeyString name, JSValue arg0, JSValue arg1, JSValue arg2)
         {
             var fx = @this.GetMethod(name) 
-                ?? throw JSContext.Current.NewTypeError($"Method {name} not found in {@this}");
+                ?? throw JSContext.Current.NewTypeError($"Method {name.ToStringSpan()} not found in {@this}");
             var a = new Arguments(@this, arg0, arg1, arg2);
             return fx(a);
         }
@@ -50,7 +50,7 @@ public static JSValue InvokeMethod(this JSValue @this, in KeyString name, JSValu
         public static JSValue InvokeMethod(this JSValue @this, in KeyString name, JSValue arg0, JSValue arg1, JSValue arg2, JSValue arg3)
         {
             var fx = @this.GetMethod(name)
-                ?? throw JSContext.Current.NewTypeError($"Method {name} not found in {@this}");
+                ?? throw JSContext.Current.NewTypeError($"Method {name.ToStringSpan()} not found in {@this}");
             var a = new Arguments(@this, arg0, arg1, arg2, arg3);
             return fx(a);
         }
@@ -59,7 +59,7 @@ public static JSValue InvokeMethod(this JSValue @this, in KeyString name, JSValu
         public static JSValue InvokeMethod(this JSValue @this, in KeyString name, JSValue[] args)
         {
             var fx = @this.GetMethod(name)
-                ?? throw JSContext.Current.NewTypeError($"Method {name} not found in {@this}");
+                ?? throw JSContext.Current.NewTypeError($"Method {name.ToStringSpan()} not found in {@this}");
             var a = new Arguments(@this, args);
             return fx(a);
         }
@@ -68,7 +68,7 @@ public static JSValue InvokeMethod(this JSValue @this, in KeyString name, JSValu
         public static JSValue InvokeMethodSpread(this JSValue @this, in KeyString name, JSValue[] args)
         {
             var fx = @this.GetMethod(name)
-                ?? throw JSContext.Current.NewTypeError($"Method {name} not found in {@this}");
+                ?? throw JSContext.Current.NewTypeError($"Method {name.ToStringSpan()} not found in {@this}");
             var length = 0;
             foreach ( var item in args)
             {