The timestamp error occurs when there is a difference in the time your phone is set on and Profit Bandit.
Please follow these steps:
1) Go into your phone's settings.
2) Tap General.
3) Scroll down to Date and Time.
4) Set it to your Time Zone, if it is different.
5) Return to General Settings.
6) Tap International.
7) Set the Region Format to where you are now, if it is different.