[MC-33431] World Generation Glitch

So I am making a mesa town world and this happen
and A huge line biome of a snowy biome appeared. This is not just for this version. It has been happening ever since 1.3 Please fix :3

Linked issues

duplicates 1

MC-315 Chunks do not delete properly remaining in a newly created world if the same world name is reused Resolved

Comments 2

CubeTheThird 2013-10-02T14:05:39Z

Can you post a screenshot?

Talven81 2013-10-02T18:37:29Z

If possible provide the seed AND location you are experiencing the issue in. The location can be obtained by pressing F3, the seed can be obtained by typing /seed