When i wanted to revisit an older save with many other mods i got this error mesage. But then i removed all mods and only enabled this and still got this on map generation.

eradicators-library/erlib/lua/Lock.lua:103: attempt to call field 'getmetatable' (a nil value)
stack traceback:
eradicators-library/erlib/lua/Lock.lua:103: in function 'auto_lock'
eradicators-library/plugins/!init/loader.lua:51: in function 'init'
eradicators-library/plugins/!init/!init.lua:66: in function <eradicators-library/plugins/!init/!init.lua:61>
eradicators-library/control.lua:26: in main chunk