The function ctools_content_plugin_type() is referencing export-ui.inc instead of content.inc for the plugin definition process callback. Upcoming patch addresses this.
Committed and pushed, but please put issue numbers in your commit messages. Luckily, git commit --amend worked.
Automatically closed -- issue fixed for 2 weeks with no activity.
This issue has no child issues.
Drupal is a registered trademark of Dries Buytaert.