Traceback (innermost last):
  Module Products.CMFQuickInstallerTool.QuickInstallerTool, line 367, in installProduct
   - __traceback_info__: ('dtportal.ecommerce',)
  Module Products.ExternalMethod.ExternalMethod, line 231, in __call__
   - __traceback_info__: ((<PloneSite at /datatransp>,), {}, None)
  Module /home/dtweb/applications/datatransp_portal/src/dtportal.ecommerce/dtportal/ecommerce/Extensions/install.py, line 196, in install
  Module Products.GenericSetup.tool, line 341, in runAllImportSteps
  Module Products.GenericSetup.tool, line 320, in runAllImportStepsFromProfile
   - __traceback_info__: 
  Module Products.GenericSetup.tool, line 910, in _getImportContext
KeyError: 'Unknown context ""'