S9+ - problem with the easy installer

Using /e/OS Setup
,
1

hey,

Some reason I’m not able to install EF on my samsung s9+. Here is where I have problem. What I should do in this station?
Screenshot

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2

hi,
it is for downgrading the /vendor partition of the stock samsung firmware
in away to install an Android 8 based /e/OS build,

/e/OS - ActualVersion - oreo - BuildDate - StableBranche - s9+Codename - zip