diff --git a/enrollment-management/app/events/set_status_as_archived.py b/enrollment-management/app/events/set_status_as_archived.py
index fd130af..0b9eda2 100644
--- a/enrollment-management/app/events/set_status_as_archived.py
+++ b/enrollment-management/app/events/set_status_as_archived.py
@@ -20,7 +20,7 @@ def lambda_handler(event: EventBridgeEvent, context: LambdaContext) -> bool:
     new_image = event.detail['new_image']
     now_ = now()
 
-    with enrollment_layer.transact_items() as transact:
+    with enrollment_layer.transact_writer() as transact:
         transact.update(
             key=KeyPair(new_image['id'], '0'),
             update_expr='SET #status = :archived, update_date = :update_date',
@@ -41,6 +41,5 @@ def lambda_handler(event: EventBridgeEvent, context: LambdaContext) -> bool:
                 'create_date': now_,
             },
         )
-        transact.write_items()
 
     return True
diff --git a/enrollment-management/app/events/set_status_as_expired.py b/enrollment-management/app/events/set_status_as_expired.py
index 5299bbf..5f31f02 100644
--- a/enrollment-management/app/events/set_status_as_expired.py
+++ b/enrollment-management/app/events/set_status_as_expired.py
@@ -20,7 +20,7 @@ def lambda_handler(event: EventBridgeEvent, context: LambdaContext) -> bool:
     new_image = event.detail['new_image']
     now_ = now()
 
-    with enrollment_layer.transact_items() as transact:
+    with enrollment_layer.transact_writer() as transact:
         transact.update(
             key=KeyPair(new_image['id'], '0'),
             update_expr='SET #status = :expired, update_date = :update_date',
@@ -43,6 +43,4 @@ def lambda_handler(event: EventBridgeEvent, context: LambdaContext) -> bool:
             },
         )
 
-        transact.write_items()
-
     return True
diff --git a/http-api/app/konviva.py b/http-api/app/konviva.py
index d2e2ae3..dd196e6 100644
--- a/http-api/app/konviva.py
+++ b/http-api/app/konviva.py
@@ -35,7 +35,7 @@ def token(username: str) -> KonvivaToken:
     r.raise_for_status()
 
     # Because Konviva does not return the proper HTTP status code
-    if err := glom(r.json(), 'errors.0', default=None):
+    if err := glom(r.json(), 'errors', default=None):
         raise KonvivaError(err)
 
     return KonvivaToken(**r.json())
diff --git a/http-api/template.yaml b/http-api/template.yaml
index a8d9dcc..3f0b7cf 100644
--- a/http-api/template.yaml
+++ b/http-api/template.yaml
@@ -23,7 +23,7 @@ Globals:
     Architectures:
       - x86_64
     Layers:
-      - !Sub arn:aws:lambda:sa-east-1:336641857101:layer:layercake:68
+      - !Sub arn:aws:lambda:sa-east-1:336641857101:layer:layercake:72
     Environment:
       Variables:
         TZ: America/Sao_Paulo
diff --git a/http-api/tests/test_konviva.py b/http-api/tests/test_konviva.py
index 269aebe..c507f50 100644
--- a/http-api/tests/test_konviva.py
+++ b/http-api/tests/test_konviva.py
@@ -1,3 +1,5 @@
+import pytest
+
 import konviva
 from config import KONVIVA_API_URL
 
@@ -9,3 +11,8 @@ def test_konviva_token():
 
     redirect_uri = konviva.redirect_uri(token)
     assert KONVIVA_API_URL in redirect_uri
+
+
+def test_konviva_token_error():
+    with pytest.raises(konviva.KonvivaError):
+        konviva.token('sergio@doesnotexist.com')