​If the Promotion Reactivator or Automated Messages do not work, make sure you have selected the option 'Run 24/7' for these features in the Automation Settings.
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This way, you don't need to have the CreatorHero Desktop App actively open all the time.

Furthermore make sure you have inserted every required field in order to save it.

Additionally, for the messaging features, ensure that you don’t have any blacklisted words in the messages, as they may be forbidden by OnlyFans.
A list of these words can be found online.