diff --git a/cmk/gui/openapi/endpoints/quick_setup/response_schemas.py b/cmk/gui/openapi/endpoints/quick_setup/response_schemas.py
index 69880ce0776..7fed57adb89 100644
--- a/cmk/gui/openapi/endpoints/quick_setup/response_schemas.py
+++ b/cmk/gui/openapi/endpoints/quick_setup/response_schemas.py
@@ -8,11 +8,23 @@
 
 from cmk import fields
 
-BACKGROUND_JOB_EXCEPTION = fields.String(
-    example="An exception message",
-    description="The exception message if the action was run in the background and raised "
-    "an unexpected exception",
-    allow_none=True,
+
+class BackgroundJobException(BaseSchema):
+    message = fields.String(
+        example="An exception message",
+        description="The exception message",
+    )
+    traceback = fields.String(
+        example="The traceback of the background job exception",
+        description="The traceback of the exception",
+    )
+
+
+BACKGROUND_JOB_EXCEPTION = fields.Nested(
+    BackgroundJobException,
+    description="The exception details if the action was run in the background and raised an "
+    "unexpected exception",
+    example={},
 )
 
 
@@ -211,7 +223,6 @@ class QuickSetupCompleteResponse(BaseSchema):
         example="http://save/url",
         description="The url to redirect to after saving the quicksetup",
     )
-
     all_stage_errors = fields.List(
         fields.Nested(
             Errors,
@@ -222,5 +233,4 @@ class QuickSetupCompleteResponse(BaseSchema):
         description="A list of stage errors",
         example=[],
     )
-
     background_job_exception = BACKGROUND_JOB_EXCEPTION
diff --git a/cmk/gui/quick_setup/handlers/setup.py b/cmk/gui/quick_setup/handlers/setup.py
index b8e0941511f..427157ddea8 100644
--- a/cmk/gui/quick_setup/handlers/setup.py
+++ b/cmk/gui/quick_setup/handlers/setup.py
@@ -29,6 +29,7 @@
 )
 from cmk.gui.quick_setup.handlers.utils import (
     Action,
+    BackgroundJobException,
     Button,
     form_spec_parse,
     get_stage_components_from_widget,
@@ -232,7 +233,7 @@ def complete_quick_setup(
 class CompleteActionResult(BaseModel):
     all_stage_errors: Sequence[ValidationErrors] | None = None
     redirect_url: str | None = None
-    background_job_exception: str | None = None
+    background_job_exception: BackgroundJobException | None = None
 
     @classmethod
     def load_from_job_result(cls, job_id: str) -> "CompleteActionResult":
@@ -325,10 +326,14 @@ def run_quick_setup_stage(self, job_interface: BackgroundProcessInterface) -> No
                 job_interface.get_logger().debug(
                     "Exception raised while the Quick setup stage action: %s", e
                 )
-                job_interface.send_exception(str(e))
-                CompleteActionResult(background_job_exception=traceback.format_exc()).save_to_file(
-                    job_interface.get_work_dir()
-                )
+                exception_message = str(e)
+                job_interface.send_exception(exception_message)
+                CompleteActionResult(
+                    background_job_exception=BackgroundJobException(
+                        message=exception_message,
+                        traceback=traceback.format_exc(),
+                    )
+                ).save_to_file(job_interface.get_work_dir())
 
     def _run_quick_setup_stage(self, job_interface: BackgroundProcessInterface) -> None:
         job_interface.send_progress_update(_("Starting Quick setup action..."))
diff --git a/cmk/gui/quick_setup/handlers/stage.py b/cmk/gui/quick_setup/handlers/stage.py
index a5ac377f64c..e53991143bc 100644
--- a/cmk/gui/quick_setup/handlers/stage.py
+++ b/cmk/gui/quick_setup/handlers/stage.py
@@ -30,6 +30,7 @@
 from cmk.gui.quick_setup.config_setups import register as register_config_setups
 from cmk.gui.quick_setup.handlers.utils import (
     Action,
+    BackgroundJobException,
     Button,
     form_spec_parse,
     get_stage_components_from_widget,
@@ -199,7 +200,7 @@ class StageActionResult(BaseModel, frozen=False):
     # TODO: This should be a list of widgets using only Sequence[Widget] will remove all fields
     #  when the data is returned (this is a temporary fix)
     stage_recap: Sequence[Any] = field(default_factory=list)
-    background_job_exception: str | None = None
+    background_job_exception: BackgroundJobException | None = None
 
     @classmethod
     def load_from_job_result(cls, job_id: str) -> "StageActionResult":
@@ -293,10 +294,13 @@ def run_quick_setup_stage_action(self, job_interface: BackgroundProcessInterface
                 job_interface.get_logger().debug(
                     "Exception raised while the Quick setup stage action: %s", e
                 )
-                job_interface.send_exception(str(e))
-                StageActionResult(background_job_exception=traceback.format_exc()).save_to_file(
-                    job_interface.get_work_dir()
-                )
+                exception_message = str(e)
+                job_interface.send_exception(exception_message)
+                StageActionResult(
+                    background_job_exception=BackgroundJobException(
+                        message=exception_message, traceback=traceback.format_exc()
+                    )
+                ).save_to_file(job_interface.get_work_dir())
 
     def _run_quick_setup_stage_action(self, job_interface: BackgroundProcessInterface) -> None:
         job_interface.send_progress_update(_("Starting Quick stage action..."))
diff --git a/cmk/gui/quick_setup/handlers/utils.py b/cmk/gui/quick_setup/handlers/utils.py
index 8603fa5994c..6c2a3e25dc8 100644
--- a/cmk/gui/quick_setup/handlers/utils.py
+++ b/cmk/gui/quick_setup/handlers/utils.py
@@ -6,6 +6,8 @@
 from dataclasses import asdict, dataclass, field
 from typing import Any, cast, Iterable, Mapping, MutableMapping, MutableSequence, Sequence
 
+from pydantic import BaseModel
+
 from cmk.ccc.i18n import _
 
 from cmk.gui.form_specs.vue.form_spec_visitor import (
@@ -140,3 +142,8 @@ def validate_custom_validators(
             )
         )
     return errors
+
+
+class BackgroundJobException(BaseModel):
+    message: str
+    traceback: str