Error when editing a featured topic

Attempting to edit a featured topic results in an error.

Moderator CP > Featured Content > Edit

ErrorException: template_store_missing (0)
#0 /path/to/system/Content/Controller.php(4936): IPS\Theme->getTemplate('promote')
#1 /path/to/system/Dispatcher/Controller.php(128): IPS\Content\Controller->editFeatured()
#2 /path/to/system/Content/Controller.php(124): IPS\Dispatcher\Controller->execute()
#3 /path/to/applications/forums/modules/front/forums/topic.php(82): IPS\Content\Controller->execute()
#4 /path/to/system/Dispatcher/Dispatcher.php(169): IPS\forums\modules\front\forums\topic->execute()
#5 /path/to/index.php(16): IPS\Dispatcher->run()
#6 {main}