what happened
if there was another exception that triggered this, it's here
(actorException: StringAdd).self
(actorException: StringFormat).self
(actorException: ArrowAssoc[ActorException]).x
(Since version 2.10.0) Use leftOfArrow
instead
(actorException: Ensuring[ActorException]).x
(Since version 2.10.0) Use resultOfEnsuring
instead
Base type for custom exceptions raised within an actor