Unexpected file format?!


Reopening a file i’ve poured days into and need finished yesterday and i get the unexpected file format error every time including when renaming and trying to import the skb.

Everything i’ve read seems to be some are and some are not salvageable pretty arbitrarily? anyone able to help?
no running extensions.

Please someone help me salvage this file, so important for work. i’m dying i can’t believe this luck