the "errors" i get is only if there is an official game update
i noticed yet that the language is changed to german (but only if the game is updated)

as written in the title i use the MxlChievements and after each update of factorio all achivement of the mod is lost
i had written to the autor of the mod and he written to me to make a bug report (adding 2 files)
since 1.0.0 perhaps longer (at that time fever mods)

in addition i noticed that ...