Try to restart both clients
sadly doesn't fix it, i think it's a problem specifically with frost dragons.
As soon as it rolls frost dragons and only frost dragons my client short circuits and gives that error message!
Here are the logs:
18:08:23,00:47:25 [INFO ] [Mikes Turael Boost and Skip] [ AccurateInteract] Interacting with Ghost(level: 19, position: 1694, 10063, 0) with action '^Attack$'
18:08:30,00:47:32 [INFO ] [Mikes Turael Boost and Skip] [ AccurateInteract] Interacting with Ghost(level: 19, position: 1692, 10065, 0) with action '^Attack$'
18:08:37,00:47:39 [INFO ] [Mikes Turael Boost and Skip] [ AccurateInteract] Interacting with Ghost(level: 19, position: 1691, 10064, 0) with action '^Attack$'
18:08:40,00:47:42 [INFO ] [Mikes Turael Boost and Skip] [ Turael] Waiting for the last NPC to die
18:08:40,00:47:42 [INFO ] [Mikes Turael Boost and Skip] [ Turael] Invalidating pathfinder cache last MateVertex(position=Coordinate(1692, 10062, 0)) desired Coordinate(2868, 2980, 1)
18:08:50,00:47:52 [INFO ] [Mikes Turael Boost and Skip] [ Turael] Invalidating pathfinder path as we failed to step
18:08:57,00:47:59 [WARN ] [Mikes Turael Boost and Skip] [ MateWebPath] No reachable vertices remaining!
18:09:17,00:48:19 [INFO ] [Mikes Turael Boost and Skip] [ Turael] Invalidating pathfinder path as we failed to step
18:09:27,00:48:29 [INFO ] [Mikes Turael Boost and Skip] [ AccurateInteract] Interacting with Kuradal(level: 1, position: 2868, 2983, 1) with action '^Assignment$'
18:09:34,00:48:36 [INFO ] [Mikes Turael Boost and Skip] [ AccurateInteract] Interacting with Kuradal(level: 1, position: 2868, 2983, 1) with action '^Assignment$'
18:09:35,00:48:37 [INFO ] [Mikes Turael Boost and Skip] [ AccurateInteract] Interacting with Kuradal(level: 1, position: 2868, 2983, 1) with action '^Assignment$'
18:09:35,00:48:37 [INFO ] [Mikes Turael Boost and Skip] [ Turael] MessageEvent(type=Unknown, sender=, message=Kuradal|You're still hunting frost dragons; you have 102 to go. Come back when you've finished your task.)
18:09:36,00:48:38 [INFO ] [Mikes Turael Boost and Skip] [ Turael] MessageEvent(type=Unknown, sender=, message=Kuradal|You're still hunting frost dragons; you have 102 to go. Come back when you've finished your task.)
18:09:37,00:48:39 [INFO ] [Mikes Turael Boost and Skip] [ AccurateInteract] Interacting with Kuradal(level: 1, position: 2868, 2983, 1) with action '^Assignment$'
18:09:39,00:48:41 [INFO ] [Mikes Turael Boost and Skip] [ Turael] MessageEvent(type=Unknown, sender=, message=Kuradal|You're still hunting frost dragons; you have 102 to go. Come back when you've finished your task.)
18:09:39,00:48:41 [INFO ] [Mikes Turael Boost and Skip] [ Turael] stopBot: There seems to be an NPC (null) that is missing in this bot. Please advise michael5555 with logs
18:09:40,00:48:42 [INFO ] [Mikes Turael Boost and Skip] [ StopScheduler] On stop called in StopScheduler