Regression: Unable to create document with space or capitals in the name

Steps to reproduce
1) Open CMS and go to documents/Hippo Go Green/Events/2010/10 and create a new event
2) As name give 'Valid Document' (without quotes)
3) Click OK.
Expected: Document created without error
Actual: error: An error occurred, please retry.

Stacktrace in console:
[INFO] [talledLocalContainer] 10.10.2013 09:59:16 ERROR [org.hippoecm.addon.workflow.AbstractWorkflowDialog.onOk():59] Could not execute workflow.
[INFO] [talledLocalContainer] javax.jcr.RepositoryException: org.apache.jackrabbit.core.state.NoSuchItemStateException: 1b0c7916-56af-479e-b4b4-ac3d2820ec22/

isCheckedOut
[INFO] [talledLocalContainer] at org.apache.jackrabbit.core.NodeImpl.isCheckedOut(NodeImpl.java:2856)
[INFO] [talledLocalContainer] at org.hippoecm.repository.decorating.NodeDecorator.isCheckedOut(NodeDecorator.java:435)
[INFO] [talledLocalContainer] at org.hippoecm.repository.deriveddata.DerivedDataEngine.ensureNodeIsCheckedOut(DerivedDataEngine.java:212)
[INFO] [talledLocalContainer] at org.hippoecm.repository.deriveddata.DerivedDataEngine.compute(DerivedDataEngine.java:184)
[INFO] [talledLocalContainer] at org.hippoecm.repository.deriveddata.DerivedDataEngine.save(DerivedDataEngine.java:85)
[INFO] [talledLocalContainer] at org.hippoecm.repository.impl.SessionDecorator.postSave(SessionDecorator.java:101)
[INFO] [talledLocalContainer] at org.hippoecm.repository.impl.NodeDecorator.save(NodeDecorator.java:94)
[INFO] [talledLocalContainer] at org.hippoecm.repository.standardworkflow.DefaultWorkflowImpl.localizeName(DefaultWorkflowImpl.java:198)
[