diff --git a/DynamoDbEncryption/runtimes/python/src/aws_dbesdk_dynamodb/smithygenerated/aws_cryptography_dbencryptionsdk_dynamodb/deserialize.py b/DynamoDbEncryption/runtimes/python/src/aws_dbesdk_dynamodb/smithygenerated/aws_cryptography_dbencryptionsdk_dynamodb/deserialize.py
index 425850b07..3da800e42 100644
--- a/DynamoDbEncryption/runtimes/python/src/aws_dbesdk_dynamodb/smithygenerated/aws_cryptography_dbencryptionsdk_dynamodb/deserialize.py
+++ b/DynamoDbEncryption/runtimes/python/src/aws_dbesdk_dynamodb/smithygenerated/aws_cryptography_dbencryptionsdk_dynamodb/deserialize.py
@@ -22,6 +22,7 @@
     DynamoDbEncryptionException,
     KeyStore,
     OpaqueError,
+    OpaqueWithTextError,
     ServiceError,
     StructuredEncryption,
 )
@@ -66,7 +67,7 @@ def _deserialize_error(error: Error) -> ServiceError:
     if error.is_Opaque:
         return OpaqueError(obj=error.obj)
     elif error.is_OpaqueWithText:
-        return OpaqueErrorWithText(obj=error.obj, obj_message=error.objMessage)
+        return OpaqueWithTextError(obj=error.obj, obj_message=_dafny.string_of(error.objMessage))
     elif error.is_CollectionOfErrors:
         return CollectionOfErrors(
             message=_dafny.string_of(error.message),
@@ -91,6 +92,11 @@ def _deserialize_error(error: Error) -> ServiceError:
     elif error.is_AwsCryptographyKeyStore:
         return KeyStore(aws_cryptography_keystore_deserialize_error(error.AwsCryptographyKeyStore))
     elif error.is_ComAmazonawsDynamodb:
-        return ComAmazonawsDynamodb(message=_dafny.string_of(error.ComAmazonawsDynamodb.message))
+        if hasattr(error.ComAmazonawsDynamodb, "objMessage"):
+            return ComAmazonawsDynamodb(message=_dafny.string_of(error.ComAmazonawsDynamodb.objMessage))
+        elif hasattr(error.ComAmazonawsDynamodb, "Message"):
+            return ComAmazonawsDynamodb(message=_dafny.string_of(error.ComAmazonawsDynamodb.Message))
+        else:
+            return ComAmazonawsDynamodb(message=_dafny.string_of(error.ComAmazonawsDynamodb.message))
     else:
         return OpaqueError(obj=error)
diff --git a/DynamoDbEncryption/runtimes/python/src/aws_dbesdk_dynamodb/smithygenerated/aws_cryptography_dbencryptionsdk_dynamodb_itemencryptor/deserialize.py b/DynamoDbEncryption/runtimes/python/src/aws_dbesdk_dynamodb/smithygenerated/aws_cryptography_dbencryptionsdk_dynamodb_itemencryptor/deserialize.py
index fb27cecff..d943f2e85 100644
--- a/DynamoDbEncryption/runtimes/python/src/aws_dbesdk_dynamodb/smithygenerated/aws_cryptography_dbencryptionsdk_dynamodb_itemencryptor/deserialize.py
+++ b/DynamoDbEncryption/runtimes/python/src/aws_dbesdk_dynamodb/smithygenerated/aws_cryptography_dbencryptionsdk_dynamodb_itemencryptor/deserialize.py
@@ -22,6 +22,7 @@
     DynamoDbEncryption,
     DynamoDbItemEncryptorException,
     OpaqueError,
+    OpaqueWithTextError,
     ServiceError,
     StructuredEncryption,
 )
@@ -66,7 +67,7 @@ def _deserialize_error(error: Error) -> ServiceError:
     if error.is_Opaque:
         return OpaqueError(obj=error.obj)
     elif error.is_OpaqueWithText:
-        return OpaqueErrorWithText(obj=error.obj, obj_message=error.objMessage)
+        return OpaqueWithTextError(obj=error.obj, obj_message=_dafny.string_of(error.objMessage))
     elif error.is_CollectionOfErrors:
         return CollectionOfErrors(
             message=_dafny.string_of(error.message),
@@ -93,6 +94,11 @@ def _deserialize_error(error: Error) -> ServiceError:
             aws_cryptography_materialproviders_deserialize_error(error.AwsCryptographyMaterialProviders)
         )
     elif error.is_ComAmazonawsDynamodb:
-        return ComAmazonawsDynamodb(message=_dafny.string_of(error.ComAmazonawsDynamodb.message))
+        if hasattr(error.ComAmazonawsDynamodb, "objMessage"):
+            return ComAmazonawsDynamodb(message=_dafny.string_of(error.ComAmazonawsDynamodb.objMessage))
+        elif hasattr(error.ComAmazonawsDynamodb, "Message"):
+            return ComAmazonawsDynamodb(message=_dafny.string_of(error.ComAmazonawsDynamodb.Message))
+        else:
+            return ComAmazonawsDynamodb(message=_dafny.string_of(error.ComAmazonawsDynamodb.message))
     else:
         return OpaqueError(obj=error)
diff --git a/DynamoDbEncryption/runtimes/python/src/aws_dbesdk_dynamodb/smithygenerated/aws_cryptography_dbencryptionsdk_dynamodb_transforms/deserialize.py b/DynamoDbEncryption/runtimes/python/src/aws_dbesdk_dynamodb/smithygenerated/aws_cryptography_dbencryptionsdk_dynamodb_transforms/deserialize.py
index 59bc7ba5d..c05143a33 100644
--- a/DynamoDbEncryption/runtimes/python/src/aws_dbesdk_dynamodb/smithygenerated/aws_cryptography_dbencryptionsdk_dynamodb_transforms/deserialize.py
+++ b/DynamoDbEncryption/runtimes/python/src/aws_dbesdk_dynamodb/smithygenerated/aws_cryptography_dbencryptionsdk_dynamodb_transforms/deserialize.py
@@ -47,6 +47,7 @@
     DynamoDbEncryptionTransformsException,
     DynamoDbItemEncryptor,
     OpaqueError,
+    OpaqueWithTextError,
     ServiceError,
     StructuredEncryption,
 )
@@ -316,7 +317,7 @@ def _deserialize_error(error: Error) -> ServiceError:
     if error.is_Opaque:
         return OpaqueError(obj=error.obj)
     elif error.is_OpaqueWithText:
-        return OpaqueErrorWithText(obj=error.obj, obj_message=error.objMessage)
+        return OpaqueWithTextError(obj=error.obj, obj_message=_dafny.string_of(error.objMessage))
     elif error.is_CollectionOfErrors:
         return CollectionOfErrors(
             message=_dafny.string_of(error.message),
@@ -345,6 +346,11 @@ def _deserialize_error(error: Error) -> ServiceError:
             aws_cryptography_materialproviders_deserialize_error(error.AwsCryptographyMaterialProviders)
         )
     elif error.is_ComAmazonawsDynamodb:
-        return ComAmazonawsDynamodb(message=_dafny.string_of(error.ComAmazonawsDynamodb.message))
+        if hasattr(error.ComAmazonawsDynamodb, "objMessage"):
+            return ComAmazonawsDynamodb(message=_dafny.string_of(error.ComAmazonawsDynamodb.objMessage))
+        elif hasattr(error.ComAmazonawsDynamodb, "Message"):
+            return ComAmazonawsDynamodb(message=_dafny.string_of(error.ComAmazonawsDynamodb.Message))
+        else:
+            return ComAmazonawsDynamodb(message=_dafny.string_of(error.ComAmazonawsDynamodb.message))
     else:
         return OpaqueError(obj=error)
diff --git a/DynamoDbEncryption/runtimes/python/src/aws_dbesdk_dynamodb/smithygenerated/aws_cryptography_dbencryptionsdk_structuredencryption/deserialize.py b/DynamoDbEncryption/runtimes/python/src/aws_dbesdk_dynamodb/smithygenerated/aws_cryptography_dbencryptionsdk_structuredencryption/deserialize.py
index b29eb6b13..67a259f22 100644
--- a/DynamoDbEncryption/runtimes/python/src/aws_dbesdk_dynamodb/smithygenerated/aws_cryptography_dbencryptionsdk_structuredencryption/deserialize.py
+++ b/DynamoDbEncryption/runtimes/python/src/aws_dbesdk_dynamodb/smithygenerated/aws_cryptography_dbencryptionsdk_structuredencryption/deserialize.py
@@ -22,6 +22,7 @@
     AwsCryptographicPrimitives,
     CollectionOfErrors,
     OpaqueError,
+    OpaqueWithTextError,
     ServiceError,
     StructuredEncryptionException,
 )
@@ -84,7 +85,7 @@ def _deserialize_error(error: Error) -> ServiceError:
     if error.is_Opaque:
         return OpaqueError(obj=error.obj)
     elif error.is_OpaqueWithText:
-        return OpaqueErrorWithText(obj=error.obj, obj_message=error.objMessage)
+        return OpaqueWithTextError(obj=error.obj, obj_message=_dafny.string_of(error.objMessage))
     elif error.is_CollectionOfErrors:
         return CollectionOfErrors(
             message=_dafny.string_of(error.message),