We’re sorry, but there seems to be an error…
Here is the full error message:
Traceback (innermost last):
Module ZPublisher.WSGIPublisher, line 167, in transaction_pubevents
Module ZPublisher.WSGIPublisher, line 376, in publish_module
Module ZPublisher.WSGIPublisher, line 271, in publish
Module ZPublisher.mapply, line 85, in mapply
Module ZPublisher.WSGIPublisher, line 68, in call_object
Module plone.app.caching.browser.controlpanel, line 47, in __call__
Module plone.app.caching.browser.controlpanel, line 556, in update
Module plone.app.caching.browser.controlpanel, line 603, in processPurge
Module plone.cachepurging.utils, line 58, in getURLsToPurge
TypeError: 'NoneType' object is not iterable
Perhaps what you want here is to present a message saying it is not possible to purge nonexistent nonconfigured caches, and to disable the form controls (make them insensitive) with a message saying "there are no proxies defined" when that is the case.
Perhaps what you want here is to present a message saying it is not possible to purge nonexistent nonconfigured caches, and to disable the form controls (make them insensitive) with a message saying "there are no proxies defined" when that is the case.