Error loading the content rule in Plone 5

[rileydog]

Product installs in P5 without issue, rule appears in rule pulldown list; however, From within Plone content rules, when I tried to use your product, I got a pop up with error message:

"there was an error loading modal"

I originally raised this issue here, and discussion has some useful information here:

https://community.plone.org/t/using-plone-rules-to-send-emails-to-users-based-on-roles/1275/6

[rileydog]

Here is some further information that might help. this is from the zope logs:
2015-11-28T21:39:41 ERROR Zope.SiteErrorLog 1448746781.350.215994612666 http://mckennariley.webfactional.com/DocentIMS/++rule++rule-1/+action/plone.actions.MailGroup
Traceback (innermost last):
Module ZPublisher.Publish, line 138, in publish
Module ZPublisher.mapply, line 77, in mapply
Module ZPublisher.Publish, line 48, in call_object
Module z3c.form.form, line 218, in call
Module plone.z3cform.fieldsets.extensible, line 58, in update
Module plone.autoform.form, line 33, in updateFields
Module plone.autoform.base, line 54, in updateFieldsFromSchemata
Module plone.autoform.form, line 22, in schema

NotImplementedError: The class deriving from AutoExtensibleForm must have a 'schema' property

[fulv]

Release 1.6 with Plone 5 compatibility is now available on Pypi: https://pypi.python.org/pypi/collective.contentrules.mailtogroup/1.6