watch this video
https://www.youtube.com/watch?v=ltgMpAFhVUM
This glitch has to do with the time change. used for energy, training units and daily reward . for daily reward is more complicated so watch this video. please someone correct my post in correct English . The glitch of daily rewards have to have one day in advance at the time , then move on to claim reward and will put this warning , clock not set correctly. before leaving this warning , press the button to claim and leave quickly before finishing pressing put the correct day and return to the game . taking your reward sorry I do not speak English and use google translator[/size]