500 error PATCH incorrect response message when title has already exist

[NasDmit]

1. Authorize as a teacher.
2. Send GET request to http://qa-school-test.quantori.academy/api/v1/courses. Choose one of the existed course title.
3. Send PATCH request to http://qa-school-test.quantori.academy/api/v1/courses with existed course title.

Actual behavior
{
"errors": "Unable to change course: SequelizeUniqueConstraintError: Validation error"
}

Expected behavior
{
"errors": "title should be unique"
}

Screenshots

[viraxslot]

@NasDmit could you please check what was sent as a value for the id field? It's not obvious. You can use Postman console for that.