What version and build of Cubase 8 are you on? Any third party plugins in the project? Are you opening it in 32 bit or 64 bit? Does it fail in both 32 bit and 64 bit?
What version and build of Cubase 8 are you on? Any third party plugins in the project? Are you opening it in 32 bit or 64 bit? Does it fail in both 32 bit and 64 bit?