Failed to load mod "flow-control-expanded-bob": ...w-control-expanded-bob__/prototypes/flow-control-bob.lua:244: attempt to concatenate local 'shadow_covers_path' (a nil value)
stack traceback:
...w-control-expanded-bob__/prototypes/flow-control-bob.lua:244: in function 'flow_bob_pipe_covers_pictures'
...panded-bob__/prototypes/flow-control-angels-override.lua:98: in main chunk
[C]: in function 'require'
flow-control-expanded-bob/data-updates.lua:7: in main chunk
