Geo Mapgen Error

2018-09-04 10:07:13: ERROR[Main]: ServerError: AsyncErr: Lua: finishGenRuntime error from mod 'geo_mapgen' in callback environment_OnGenerated(): decompressZlib: inflate failed
2018-09-04 10:07:13: ERROR[Main]: stack traceback:
2018-09-04 10:07:13: ERROR[Main]: 	[C]: in function 'decompress'
2018-09-04 10:07:13: ERROR[Main]: 	...0-dev\minetest-5.0.0-dev\bin\..\mods\geo-mapgen\init.lua:81: in function '__index'
2018-09-04 10:07:13: ERROR[Main]: 	...0-dev\minetest-5.0.0-dev\bin\..\mods\geo-mapgen\init.lua:192: in function 'value'
2018-09-04 10:07:13: ERROR[Main]: 	...0-dev\minetest-5.0.0-dev\bin\..\mods\geo-mapgen\init.lua:231: in function <...0-dev\minetest-5.0.0-dev\bin\..\mods\geo-mapgen\init.lua:195>
2018-09-04 10:07:13: ERROR[Main]: 	...-dev\minetest-5.0.0-dev\bin\..\builtin\game\register.lua:419: in function <...-dev\minetest-5.0.0-dev\bin\..\builtin\game\register.lua:399>