MAIL_TEMPLATE_FOLDER_REQUIRED
Status: 400 Bad Request
What it means
The template uses the folder, but the request has no folder.
What to do
Choose a folder for the request, or use a template that does not mention a folder.
Example of the answer
The API answers with this JSON (title and detail change with the situation and the language):
{
"type": "https://docs.mbtcompany.eu/errors/mail-template-folder-required",
"title": "Bad Request",
"status": 400,
"detail": "The template uses the folder, but the request has no folder.",
"code": "MAIL_TEMPLATE_FOLDER_REQUIRED"
}