diff --git a/Assets/UXF/Scripts/DataHandling/WebAWSDynamoDB.cs b/Assets/UXF/Scripts/DataHandling/WebAWSDynamoDB.cs
index acb34494..dfa1fdfc 100644
--- a/Assets/UXF/Scripts/DataHandling/WebAWSDynamoDB.cs
+++ b/Assets/UXF/Scripts/DataHandling/WebAWSDynamoDB.cs
@@ -25,6 +25,8 @@ public class WebAWSDynamoDB : DataHandler
         [SubjectNerd.Utilities.EditScriptable]
         public AWSCredentials credentials;
 
+#if UNITY_WEBGL
+
         [DllImport("__Internal")]
         private static extern void DDB_Setup(string region, string identityPool, string callbackGameObjectName);
 
@@ -45,6 +47,22 @@ public class WebAWSDynamoDB : DataHandler
 
         [DllImport("__Internal")]
         private static extern string GetUserInfo();
+#else
+        private static void DDB_Setup(string region, string identityPool, string callbackGameObjectName) => Error();
+        private static void DDB_CreateTable(string tableName, string primaryKeyName, string sortKeyName, string callbackGameObjectName) => Error();
+        private static void DDB_PutItem(string tableName, string jsonItem, string callbackGameObjectName) => Error();
+        private static void DDB_BatchWriteItem(string tableName, string jsonRequests, string callbackGameObjectName) => Error();
+        private static void DDB_GetItem(string tableName, string jsonItem, string callbackGameObjectName, string guid) => Error();
+        private static void DDB_Cleanup() => Error();
+        private static string GetUserInfo() => Error();
+
+        private static string Error()
+        {
+            throw new InvalidProgramException("WebAWSDynamoDB is not supported on this platform.");
+        }
+
+#endif
+
 
         private const string primaryKey = "ppid_session_dataname";
         private const string sortKey = "trial_num";
diff --git a/Assets/UXF/VERSION.txt b/Assets/UXF/VERSION.txt
index acdc3f1b..6550da69 100644
--- a/Assets/UXF/VERSION.txt
+++ b/Assets/UXF/VERSION.txt
@@ -1 +1 @@
-2.4.2
\ No newline at end of file
+2.4.3
\ No newline at end of file