Apologize for the inconvenience. The issue was in the string and the actual time between next free attempt is supported to be 4 hours. Thank you for your understanding.
Seriously?! So you post the tournament rules (both in game and on forum), but have the game code that does not correspond to your own rules and which is much less favorable to players. Then you "Apologize for the inconvenience"... and change the tournament rules. Wow!