PutFile client crashes when putting file to checksum pillar without requesting a return checksum.

java.lang.NullPointerException: null
        at org.bitrepository.modify.putfile.conversation.PuttingFile.sendRequest(PuttingFile.java:92) ~[bitrepository-modifying-client-0.19.jar:na]
        at org.bitrepository.client.conversation.GeneralConversationState.start(GeneralConversationState.java:63) ~[bitrepository-client-0.19.jar:na]
        at org.bitrepository.client.conversation.GeneralConversationState.setNewState(GeneralConversationState.java:123) ~[bitrepository-client-0.19.jar:na]
        at org.bitrepository.client.conversation.GeneralConversationState.handleMessage(GeneralConversationState.java:95) ~[bitrepository-client-0.19.jar:na]
        at org.bitrepository.client.conversation.StateBasedConversation.onMessage(StateBasedConversation.java:55) ~[bitrepository-client-0.19.jar:na]
        at org.bitrepository.client.conversation.mediator.CollectionBasedConversationMediator.onMessage(CollectionBasedConversationMediator.java:127) ~[bitrepository-client-0.19.jar:na]
        at org.bitrepository.protocol.activemq.ActiveMQMessageBus$ActiveMQMessageListener.onMessage(ActiveMQMessageBus.java:386) ~[bitrepository-core-0.19.jar:na]
        at org.apache.activemq.ActiveMQMessageConsumer.dispatch(ActiveMQMessageConsumer.java:1298) [activemq-core-5.6.0.jar:5.6.0]
        at org.apache.activemq.ActiveMQSessionExecutor.dispatch(ActiveMQSessionExecutor.java:131) [activemq-core-5.6.0.jar:5.6.0]
        at org.apache.activemq.ActiveMQSessionExecutor.iterate(ActiveMQSessionExecutor.java:202) [activemq-core-5.6.0.jar:5.6.0]
        at org.apache.activemq.thread.PooledTaskRunner.runTask(PooledTaskRunner.java:122) [activemq-core-5.6.0.jar:5.6.0]
        at org.apache.activemq.thread.PooledTaskRunner$1.run(PooledTaskRunner.java:43) [activemq-core-5.6.0.jar:5.6.0]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) [na:1.6.0_20]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) [na:1.6.0_20]
        at java.lang.Thread.run(Thread.java:636) [na:1.6.0_20]