Blackmagic URSA 12K 11.99 FPS?!

Hi, I just got back from the 2 days shoot with 2 less than a-year-old URSA 12k. And my colleague opened the footage on Premiere and Davinci and all media ended up shot in 11.99 frames per second!
How is it possible?! The cameras were updated, we recorded in BRAW 5:1 and 8:1, 4K, 23.98. We used Angelbird 512GB CFast and Samsung 2Tb SSD. We did enable the dual recording setting. Could it be because of the dual recording?
Also, the media from SSD is named ".braw2". What is the ".braw2"?!

Thank you so much for your attention in advance!

.braw2 is the other part of dual recording. Aka your missing frames.

If I remember correctly you need to have both in the same folder and Resolve will pick it up as one file.

yeah like VMFXBV said. don't freak out you are just seeing half. I guess resolve had an update that allowed it to recognize a single ".braw2" clip without changing the extension to ".braw"

Its a cool neat little "safety" feature. If one of your cards fail you'll have the other with half the framerate.
But its meant to shoot @ 50fps or more for it to be beneficial (I think). 24fps should work fine on one card.

But its meant to shoot @ 50fps or more for it to be beneficial (I think). 24fps should work fine on one card.

That's correct. It's a useful unintentional workaround for backup safety when and if shooting target 24/5p. With the 2 media formats used by the OP, it should be possible to record, in that way, in 8/4K on the 12K.

But its meant to shoot @ 50fps or more for it to be beneficial (I think). 24fps should work fine on one card.

That's correct. It's a useful unintentional workaround for backup safety when and if shooting target 24/5p. With the 2 media formats used by the OP, it should be possible to record, in that way, in 8/4K on the 12K.

I think the OP didn't mean to shoot dual. Probably thought it was something else (I could be wrong) and freaking out the files are missing half the frames. Hope OP didn't delete .braw2 .