i fix but still error error
api | Failed to bind local port 3456 err: system:98

i run excavator from /home/username/excavator/ folder  - it s empty and contain only scripts
on Linux i can run excavator from any folder.
it installed in system /opt/excavator/etc  folder with right of root,  normally user doen't have enough right to write conf files in /opt/
i tries today copy .json files.
it not helped. runs failed with "98"

i tries remove :x  and rig1.not helped me.
   {"id":1,"method":"algorithm.add","params":["lyra2rev2", "xvgmine.idcray.com:10011","D8C7HvMbxxTnZvwmzEv8jhGmWfi42woycr.rig1:x"]}
]}

i search over your link but i seek  "port 3456" or "system:98"
but i found only "build_number": 3456,  (((

totally unusable software ((