diff --git a/authentik/providers/saml/api/providers.py b/authentik/providers/saml/api/providers.py
index 55328eec6..891289a08 100644
--- a/authentik/providers/saml/api/providers.py
+++ b/authentik/providers/saml/api/providers.py
@@ -13,10 +13,9 @@ from rest_framework.decorators import action
 from rest_framework.fields import CharField, FileField, SerializerMethodField
 from rest_framework.parsers import MultiPartParser
 from rest_framework.permissions import AllowAny
-from rest_framework.relations import SlugRelatedField
 from rest_framework.request import Request
 from rest_framework.response import Response
-from rest_framework.serializers import ValidationError
+from rest_framework.serializers import PrimaryKeyRelatedField, ValidationError
 from rest_framework.viewsets import ModelViewSet
 from structlog.stdlib import get_logger
 
@@ -168,10 +167,8 @@ class SAMLProviderImportSerializer(PassiveSerializer):
     """Import saml provider from XML Metadata"""
 
     name = CharField(required=True)
-    # Using SlugField because https://github.com/OpenAPITools/openapi-generator/issues/3278
-    authorization_flow = SlugRelatedField(
+    authorization_flow = PrimaryKeyRelatedField(
         queryset=Flow.objects.filter(designation=FlowDesignation.AUTHORIZATION),
-        slug_field="slug",
     )
     file = FileField()
 
diff --git a/authentik/providers/saml/tests/test_api.py b/authentik/providers/saml/tests/test_api.py
index f0c878e5a..de86d5cbb 100644
--- a/authentik/providers/saml/tests/test_api.py
+++ b/authentik/providers/saml/tests/test_api.py
@@ -89,7 +89,7 @@ class TestSAMLProviderAPI(APITestCase):
                 {
                     "file": metadata,
                     "name": generate_id(),
-                    "authorization_flow": create_test_flow(FlowDesignation.AUTHORIZATION).slug,
+                    "authorization_flow": create_test_flow(FlowDesignation.AUTHORIZATION).pk,
                 },
                 format="multipart",
             )
@@ -106,7 +106,7 @@ class TestSAMLProviderAPI(APITestCase):
                 {
                     "file": metadata,
                     "name": generate_id(),
-                    "authorization_flow": create_test_flow().slug,
+                    "authorization_flow": create_test_flow().pk,
                 },
                 format="multipart",
             )
diff --git a/authentik/root/settings.py b/authentik/root/settings.py
index 9785d9f38..496ef96cb 100644
--- a/authentik/root/settings.py
+++ b/authentik/root/settings.py
@@ -402,7 +402,6 @@ LOG_PRE_CHAIN = [
     structlog.stdlib.add_logger_name,
     structlog.processors.TimeStamper(),
     structlog.processors.StackInfoRenderer(),
-    structlog.processors.format_exc_info,
 ]
 
 LOGGING = {
@@ -412,7 +411,7 @@ LOGGING = {
         "json": {
             "()": structlog.stdlib.ProcessorFormatter,
             "processor": structlog.processors.JSONRenderer(sort_keys=True),
-            "foreign_pre_chain": LOG_PRE_CHAIN,
+            "foreign_pre_chain": LOG_PRE_CHAIN + [structlog.processors.dict_tracebacks],
         },
         "console": {
             "()": structlog.stdlib.ProcessorFormatter,
diff --git a/schema.yml b/schema.yml
index 7a1c6d411..d2ce897f5 100644
--- a/schema.yml
+++ b/schema.yml
@@ -38459,8 +38459,7 @@ components:
           minLength: 1
         authorization_flow:
           type: string
-          minLength: 1
-          description: Visible in the URL.
+          format: uuid
         file:
           type: string
           format: binary