Bulk edit error "Invalid post type"

Hello.

First thanks for the plugin.

I got an issue when i try to bulk edit external-videos to add, let’s say, categories or tags WordPress always gives the error “Invalid post type”.

That way i must edit one by one to add a tag or category.

It’s pretty time consuming for 200+ videos.

Using WP 3.8, twentythirteen and no plugins except external-videos.

Any help?

http://ww.wp.xz.cn/plugins/external-videos/