CLIENT_ALREADY_IN_GROUP
Status: 409 Conflict
What it means
The company is already in a group, or it is not active, so it cannot be added.
What to do
Take the company out of its current group first, or check that the company is active.
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/client-already-in-group",
"title": "Conflict",
"status": 409,
"detail": "The company is already in a group, or it is not active, so it cannot be added.",
"code": "CLIENT_ALREADY_IN_GROUP"
}