open core keeps failing [help]

<a class='btn btn-link py-0' href='/p/opencore.html?id' target='_blank'>OpenCore</a> keeps failing [help]

I’m on el captain and I’m trying to get high sierra but I keep getting this. Mac Pro 2008, OpenCore legacy patcher 1.3.0. Yes I’m booted into the OpenCore efi.

Author: @fireclaw344