Chosen Solution
I’m getting these errors.
Can you give us your SSD specs (Make & Model) Did you replace the HD SATA cable? This is a common issue in this series Your Hard Drive Cable Is A Ticking Time Bomb
It looks like it might be a FileVault 1/2 issue and/or HFS+/APFS conversion gone wrong? Is the 2011 MBP model accurate? What did you try to upgrade to High Sierra from? Does it boot internet recovery at all? (⌘⌥R)
