diff --git a/Source/FikaAmazonAPI/AmazonSpApiSDK/Models/Exceptions/AmazonException.cs b/Source/FikaAmazonAPI/AmazonSpApiSDK/Models/Exceptions/AmazonException.cs
index 494d9095..71157b6d 100644
--- a/Source/FikaAmazonAPI/AmazonSpApiSDK/Models/Exceptions/AmazonException.cs
+++ b/Source/FikaAmazonAPI/AmazonSpApiSDK/Models/Exceptions/AmazonException.cs
@@ -38,11 +38,15 @@ public AmazonUnauthorizedException(string msg, RestResponse response = null) : b
 
     public class AmazonInvalidInputException : AmazonException
     {
-        public AmazonInvalidInputException(string msg, RestResponse response = null) : base(msg, response)
-        {
+        public string Details { get; set; }
 
+        public AmazonInvalidInputException(string msg, string details = null, RestResponse response = null) : base(msg, response)
+        {
+            this.Details = details;
+            //this.Data["Details"] = details;
         }
     }
+
     public class AmazonQuotaExceededException : AmazonException
     {
         public AmazonQuotaExceededException(string msg, RestResponse response = null) : base(msg, response)
diff --git a/Source/FikaAmazonAPI/AmazonSpApiSDK/Models/Notifications/EventFilter.cs b/Source/FikaAmazonAPI/AmazonSpApiSDK/Models/Notifications/EventFilter.cs
index 1d05167c..8b083174 100644
--- a/Source/FikaAmazonAPI/AmazonSpApiSDK/Models/Notifications/EventFilter.cs
+++ b/Source/FikaAmazonAPI/AmazonSpApiSDK/Models/Notifications/EventFilter.cs
@@ -26,6 +26,13 @@ public class EventFilter : AggregationFilter
         [JsonProperty(PropertyName = "eventFilterType")]
         public string EventFilterType { get; set; }
 
+        /// <summary>
+        /// Gets or Sets OrderChangeTypes
+        /// </summary>
+        [DataMember(Name = "orderChangeTypes", EmitDefaultValue = false)]
+        [JsonProperty(PropertyName = "orderChangeTypes")]
+        public IList<string> OrderChangeTypes { get; set; }
+
 
         /// <summary>
         /// Get the string presentation of the object
@@ -37,6 +44,7 @@ public override string ToString()
             sb.Append("class EventFilter {\n");
             sb.Append("  MarketplaceIds: ").Append(MarketplaceIds).Append("\n");
             sb.Append("  EventFilterType: ").Append(EventFilterType).Append("\n");
+            sb.Append("  OrderChangeTypes: ").Append(OrderChangeTypes).Append("\n");
             sb.Append("}\n");
             return sb.ToString();
         }
diff --git a/Source/FikaAmazonAPI/FikaAmazonAPI.csproj b/Source/FikaAmazonAPI/FikaAmazonAPI.csproj
index 312cef41..25c1f88e 100644
--- a/Source/FikaAmazonAPI/FikaAmazonAPI.csproj
+++ b/Source/FikaAmazonAPI/FikaAmazonAPI.csproj
@@ -7,9 +7,9 @@
     <Product>CSharp Amazon Sp API</Product>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
     <LangVersion>8.0</LangVersion>
-    <Version>1.7.2</Version>
-    <AssemblyVersion>1.7.2</AssemblyVersion>
-    <FileVersion>1.7.2</FileVersion>
+    <Version>1.7.3</Version>
+    <AssemblyVersion>1.7.3</AssemblyVersion>
+    <FileVersion>1.7.3</FileVersion>
     <PackageRequireLicenseAcceptance>true</PackageRequireLicenseAcceptance>
     <PackageProjectUrl>https://github.com/abuzuhri/Amazon-SP-API-CSharp</PackageProjectUrl>
     <PackageLicenseExpression>MIT</PackageLicenseExpression>
diff --git a/Source/FikaAmazonAPI/Services/RequestService.cs b/Source/FikaAmazonAPI/Services/RequestService.cs
index b9ab757d..a6c383f5 100644
--- a/Source/FikaAmazonAPI/Services/RequestService.cs
+++ b/Source/FikaAmazonAPI/Services/RequestService.cs
@@ -285,7 +285,7 @@ protected void ParseResponse(RestResponse response)
                         case "InvalidSignature":
                             throw new AmazonInvalidSignatureException(error.Message, response);
                         case "InvalidInput":
-                            throw new AmazonInvalidInputException(error.Message, response);
+                            throw new AmazonInvalidInputException(error.Message, error.Details, response);
                         case "QuotaExceeded":
                             throw new AmazonQuotaExceededException(error.Message, response);
                         case "InternalFailure":