Could not communicate with the authentication server crash

[Rawrbomb65]

Getting regular crashes after 5-30 minutes of play.
Relevant info from logs but with complete log attatched

2015-10-31 06:11:22,372 [Pulsator Thread] INFO  Agility [SpellController] - [58586] [0] [Ok]    Spectral Form
2015-10-31 06:11:22,393 [8] ERROR MainWindow - Could not communicate with authentication server! Killing bot due to safety!
2015-10-31 06:11:22,395 [8] INFO  MainWindow - Invalid Session
2015-10-31 06:11:22,396 [8] ERROR MainWindow - Authentication Error! Logging out!
2015-10-31 06:11:22,396 [1] ERROR MainWindow - Authentication Error! Logging out!
2015-10-31 06:11:22,458 [Pulsator Thread] DEBUG Agility [VariableController] - Reverting back to original combat settings.

 

[Barik34]

The same problem, not only WildBuddy, ExelBuddy just constantly closes (