store_not_connected
Status 503. The store this code belongs to is not connected.
What it means
The store this code belongs to is not connected, so the code could not be switched off. Nothing was changed.
What to do
Check that the app is installed on that store, then send the same request again.
Safe to send again?
Not as it is. Change what the answer points to, then send the request.
Where you can meet it
POST /members/{member_key}/codes/void: Cancel a reward code and give the member back its points
Every code, and the shape of an error answer: Errors.