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IMO this would be the managers fault for not communicating to the users.
You are assuming that the manager was aware of that update on 25 October and he delays communication up to 28 October ? It would be great read some comments by OP since this is his campaign/promotion.
Tried to contact the manager and @YASBET several times about the unpaid week despite of doing your work and still no response from them.
Too bad to experience this with this campaign. Hope to get a response for this, and I hope they can get a good manager to handle their new campaign,