500 Error on Deleting Non-Existent Marketing Event via `DELETE /api/v1/settings/marketing/events/{id}`

[sagarkumar-webkul]

Title:

500 Error on Deleting Non-Existent Marketing Event via DELETE /api/v1/settings/marketing/events/{id}

Description:

When a DELETE request is sent to /api/v1/settings/marketing/events/{id} using a non-existent ID, the API returns a 500 Internal Server Error with the message:
"clone method called on non-object".
This occurs due to the absence of a null check before cloning the model, and it should instead return a user-friendly 404 response.

Affected Endpoint:

• DELETE /api/v1/settings/marketing/events/{id}

Preconditions:

• Krayin REST API is running.
• The given marketing event ID does not exist.

Steps to Reproduce:

1. Send a DELETE request to /api/v1/settings/marketing/events/24 (assuming ID 24 does not exist).
2. Observe the response.

Actual Result:

• HTTP 500 Internal Server Error

{
  "message": "clone method called on non-object",
  "exception": "Error",
  ...
}

Expected Result:

• HTTP 404 Not Found

{
  "message": "Marketing event with ID 24 not found.",
  "status": 404
}