Error when Installing Senaite.Storage

I get the following error when trying to install. Please help.

Traceback (innermost last):
Module ZPublisher.WSGIPublisher, line 162, in transaction_pubevents
Module ZPublisher.WSGIPublisher, line 371, in publish_module
Module ZPublisher.WSGIPublisher, line 274, in publish
Module ZPublisher.mapply, line 85, in mapply
Module ZPublisher.WSGIPublisher, line 63, in call_object
Module Products.CMFPlone.controlpanel.browser.quickinstaller, line 689, in call
Module Products.CMFPlone.controlpanel.browser.quickinstaller, line 454, in install_product
Module Products.GenericSetup.tool, line 405, in runAllImportStepsFromProfile

  • traceback_info: profile-senaite.storage:default
    Module Products.GenericSetup.tool, line 1492, in _runImportStepsFromContext
    Module Products.GenericSetup.tool, line 1339, in _doRunHandler
    Module senaite.storage.setuphandlers, line 200, in post_install
    Module senaite.storage.setuphandlers, line 340, in setup_workflows
    Module senaite.storage.setuphandlers, line 353, in update_workflow
    Module senaite.storage.setuphandlers, line 362, in update_workflow_state
    AttributeError: ‘NoneType’ object has no attribute ‘id’

Hi @noblelabs,
this looks like you use incompatible versions of senaite.core and senaite.storage or did not run necessary upgrade steps.
What exact versions are you using?