Weird behavior booking room from an event

[pferreir]

I simple did the following:

1. Book room from an event (select "Meeting: ...")
2. Select a few rooms (basically the ones in bldgs. 31 and 600)
3. Click on a free slot
4. Select "Create pre-booking" (Note: I am an admin)

And the result was:

• The booking was created, I got a mail immediately, but the page didn't change
• Clicking again on "create pre-booking" (why is the button even still enabled?) resulted in an error about a missing booking_params argument or something like that.

This seems pretty weird.