dials.image_viewer problem

C:\Users\rdvries\Documents\CCP4\Project1\CCP4_JOBS\job_4\DEFAULT\NATIVE\SWEEP1\
index>dials.image_viewer 9_experiments_reindexed.json 10_reflections_reindexed.p
ickle

C:\Users\rdvries\Documents\CCP4\Project1\CCP4_JOBS\job_4\DEFAULT\NATIVE\SWEEP1\
index>ccp4-python -Qnew -m  dials.command_line.image_viewer  9_experiments_reind
exed.json 10_reflections_reindexed.pickle
The following parameters have been modified:

input {
  experiments = 9_experiments_reindexed.json
  reflections = 10_reflections_reindexed.pickle
}

Traceback (most recent call last):
  File "C:\CCP4-7\python2.7\lib\runpy.py", line 162, in _run_module_as_main
    "__main__", fname, loader, pkg_name)
  File "C:\CCP4-7\python2.7\lib\runpy.py", line 72, in _run_code
    exec code in run_globals
  File "C:\CCP4-7\7.0\lib\py2\site-packages\dials\command_line\image_viewer.py",
 line 202, in <module>
    runner()
  File "C:\CCP4-7\7.0\lib\py2\site-packages\dials\command_line\image_viewer.py",
 line 139, in __call__
    self.view()
  File "C:\CCP4-7\7.0\lib\py2\site-packages\dials\command_line\image_viewer.py",
 line 147, in view
    reflections=self.reflections)
  File "C:\CCP4-7\7.0\lib\py2\site-packages\dials\util\image_viewer\spotfinder_w
rap.py", line 34, in display
    reflections=reflections)
  File "C:\CCP4-7\7.0\lib\py2\site-packages\dials\util\image_viewer\spotfinder_f
rame.py", line 46, in __init__
    super(SpotFrame, self).__init__(*args, **kwds)
  File "C:\CCP4-7\7.0\lib\py2\site-packages\cctbx_project\rstbx\slip_viewer\fram
e.py", line 63, in __init__
    contents = os.listdir(slip_viewer_dir)
WindowsError: [Error 3] The system cannot find the path specified: 'c:\\ccp4-7\\
7.0\\lib\\checkout\\cctbx-phaser\\cctbx_project\\rstbx\\slip_viewer/*.*'