Hello,

our 1.8.8 Spigot server with 2.6.6 Quests (other versions are even more buggy) is spamming this error, when a player tries to complete quest with needed chat response, not allowing him to complete it.

https://pastebin.com/gfJDidw5

Want more funny bugs? Check on my bug reports from past months ;-)
#489
#485
#441
#439

Have a nice day