Hello, Trying to enable many of my old extensions, I get this error Exception: The file "/var/www/elxxxx.com/public_html/ext/primehalo/primelinks/config/services.yml" does not contain valid YAML: The reserved indicator "@" cannot start a plain scalar; you need to quote the scalar...
I tried a couple of times and I could not upgrade one of my forums from 3.2 to 3.3.1. Finally what I did is that I disabled all extensions with this extension https://www.phpbb.com/customise/db/extension/disable_all_extensions/ And then the upgrade went well, although I had this alert about the upda...