Error when this product is present but not installed on site

[mamico]

2024-07-05 10:42:53,091 ERROR   [Zope.SiteErrorLog:36][waitress-3] KeyError: http://localhost:3000/GET_application_json_
Traceback (innermost last):
  Module ZPublisher.WSGIPublisher, line 181, in transaction_pubevents
  Module ZPublisher.WSGIPublisher, line 391, in publish_module
  Module ZPublisher.WSGIPublisher, line 285, in publish
  Module ZPublisher.mapply, line 98, in mapply
  Module ZPublisher.WSGIPublisher, line 68, in call_object
  Module plone.rest.service, line 21, in __call__
  Module plone.restapi.services, line 19, in render
  Module plone.restapi.services.content.get, line 16, in reply
  Module plone.restapi.serializer.site, line 114, in __call__
  Module plone.restapi.serializer.expansion, line 21, in expandable_elements
  Module collective.volto.stickyblocks.restapi.sticky_blocks.get, line 30, in __call__
  Module collective.volto.stickyblocks.restapi.sticky_blocks.get, line 41, in get_sticky_blocks
  Module collective.volto.stickyblocks.restapi.sticky_blocks.get, line 49, in get_config
  Module decorator, line 232, in fun
  Module plone.api.validation, line 73, in wrapped
  Module plone.api.portal, line 283, in get_registry_record
  Module plone.registry.registry, line 36, in __getitem__
KeyError: 'collective.volto.stickyblocks.interfaces.IStickyBlocks.sticky_blocks_configuration'