Internal server error. The response's detail should clarify the problem.
{
"title": "Internal Server Error",
"detail": "An unexpected exception occurred.",
"status": 500,
"type": "/case-management/v3/error-types/internal-server-error",
"instance": "/case-management/v3/error-instances/e9a69f7e-372f-4440-b513-75d3ce142786"
}