Noticed this on a long running call to find_each

/Users/smt/.rvm/gems/ruby-2.7.1/gems/mongo-2.13.0/lib/mongo/operation/result.rb:321:in `raise_operation_failure': cursor id 3454033749239369302 not found (43) (on 127.0.0.1:27017) (Mongo::Error::OperationFailure)