I have made update Plone from 3.3.4 to 4.0.3. Beforehand delete all customizations and products. Deleted or left kss.demo and NuPlone.
After migration there were warnings WARNING OFS.Uninstalled Could not import class ' ISimpleContent ' from module ' kss.demo.interfaces' WARNING OFS.Uninstalled Could not import class ' IThemeSpecific ' from module ' Products. NuPlone.interfaces' To install kss.demo and Products. NuPlone in plone 4 it is impossible. In portal_view_customizations it is impossible to create customizations. PicklingError: Can't pickle <class ' kss.demo.interfaces. ISimpleContent '>: import of module kss.demo.interfaces failed How to find and delete links to these modules? -- View this message in context: http://plone.293351.n2.nabble.com/OFS-Uninstalled-Could-not-import-class-from-module-tp5984283p5984283.html Sent from the Installation, Setup, Upgrades mailing list archive at Nabble.com. _______________________________________________ Setup mailing list Setup@lists.plone.org https://lists.plone.org/mailman/listinfo/setup