I can confirm that if you beat a stage and on the reward selection screen if the game times out from inactivity. You do NOT get the reward, even thou the game will save progress and you re-roll the same DICE. you DO NOT get the actual reward.
Try it out yourself i’m able to re-create the scenario
Thanks for letting us know, @Hmmm. If you reach out to our support team at email@example.com with your support key, our team would be happy to take a closer look to try and make it right for you. If you could include in your email the date and time of when you were receiving the rewards, it’d be helpful for our team. Thanks!