Customizer.dat file import error

[oc]

Customizer.dat file gives an error upon attempting to import. Receive this error:

Changing the first line from:
s:6:"snazzy";

to

s:6:"snazzy-master";

Also has no change. I have also tried uploading the zip as a fresh theme just called snazzy.zip

I have also done a gulp build and tried the zip distros there.