I've lost basically all my jetways on every airport installed
Do you mean ALL your installed airports use SODE jetways ? Or, you were meant to say you lost only the jetways at those airports using SODE jetways ? Because, it would be a bit strange losing *both* default jetways and SODE jetways, since they are two entirely different things.
and can't even get SODE running even though the connection is there but nothing works.
Please clarify. If the connection is there, it means SODE IS running. Maybe you wanted to say SODE IS running, but jetways don't move ? In any case, there's no better place than SODE forum to get help about SODE.
It would be different, and it would be right to ask here, if you HAD SODE jetways working normally when called from the SODE menu, but not when called from GSX. That might be a GSX problem indeed.