Hello riyubas453, sorry for this inconvenience but this is happening to a lot of people and I believe it was caused by the Boss Cooldown checker, the staff is working on a fix so all we can to is be patient and wait :)
Good luck in the future and enjoy the game.
Hello Nyrreek, sorry for this inconvenience, i'm not sure what the problem is entirely but i know there working on a fix :) and all should be good shortly
Best of luck, and have fun playing :3 :y:
Hello iSparkton, sorry for this inconvenience but this is bug that a lot of people are experiencing but i can say that the team are working on a fix and should be good soon :) best of luck and have fun :3