was about to start tutorial but got this error
Error while applying migration: Subterranio Base: 1_mineshaft_belts_and_pipes.lua
...rranio-base__/migrations/1_mineshaft_belts_and_pipes.lua:17: attempt to index local 'surface' (a nil value)
stack traceback:
...rranio-base__/migrations/1_mineshaft_belts_and_pipes.lua:17: in function 'replace_subterrain_belts_and_pipes'
...rranio-base__/migrations/1_mineshaft_belts_and_pipes.lua:63: in main chunk
