Schematic builder freezes after jumping up to next level

## Some information
Operating system: windows 10
Java version: 1.8.0_232
Minecraft version: 1.12.2
Baritone version: 1.2.10
Forge mods (if used): none

## Exception, error or logs
https://paste.ee/p/CGSGe log

## How to reproduce
download this https://www.mediafire.com/file/b4r28j2r1d36yn1/JStatue.schematic/file schematic and try building it on a flat world, its what i did. im also using impact 4.8.3

also video https://streamable.com/30axh

## Final checklist
- [X] I have included the version of Minecraft I'm running, baritone's version and forge mods (if used).
- [X] I have included logs, exceptions and / or steps to reproduce the issue.
- [X] I have not used any OwO's or UwU's in this issue.

after the freeze the game is completely frozen but it seems it disconnected in the log. maybe this is a singleplayer problem idk