traceback when going live with impress presentation

[Stevan Pettit]

I get the following traceback when going "Live" with an Impress presentation

Traceback (most recent call last):
  File "D:\OpenLP_Code\Trunk\build\pyi.win32\OpenLP\outPYZ1.pyz/openlp.plugins.presentations.lib.messagelistener", line 284, in startup
  File "D:\OpenLP_Code\Trunk\build\pyi.win32\OpenLP\outPYZ1.pyz/openlp.plugins.presentations.lib.messagelistener", line 77, in add_handler
  File "D:\OpenLP_Code\Trunk\build\pyi.win32\OpenLP\outPYZ1.pyz/openlp.plugins.presentations.lib.impresscontroller", line 397, in start_presentation
AttributeError: 'NoneType' object has no attribute 'Presentation'

Win 7 (64 bit)
OpenLP-1.9.5-bzr1480
OpenOffice 3.3

The presentation was created using Impress (attached)