This is only thrown when a shard is expected but somehow absent.
For instance, in the combinators, we expect all the underlying gets to behave correctly
this exception put into a Future when a user tries to put to an invalid shard
Linear Supertypes
RuntimeException, Exception, Throwable, Serializable, AnyRef, Any
This is only thrown when a shard is expected but somehow absent. For instance, in the combinators, we expect all the underlying gets to behave correctly this exception put into a Future when a user tries to put to an invalid shard