bug in uefn please help me fix

Summary

was working on a cinematic saved it closed uefn updated my fortnite as there was a new update, get back in and my cinematic is not working, all the little marks or waypoints whatever you call them are still there but completly reset all the cameras reset and the rest the waypoints set to the original except for one item any fix? ive gone into the changelogs and wont let me goback to an original file idk what to do

UPDATE

I cannot re edit the cinematic either, the camera cuts look like grey with a barrier affect not sure if that means anything and yeah just basically cant do anything or edit anything except for the waypoints that are bright everything else is dull

Please select what you are reporting on:

Creative

What Type of Bug are you experiencing?

Assets

Steps to Reproduce

not sure just wasnt working after update

Expected Result

not sure

Observed Result

not sure

Platform(s)

pc