Chinese error.

[michelle1574]

I tried loading up rail map gen and I got a Chinese error:

Something went wrong!

Please try to refresh or re-import your configuration files. If the issue still persists, please consider upgrading your browser or reset this app. Should you need any help, please contact us by submitting an issue in GitHub Issue with the details shown below.

請嘗試重新整理或重新上載設定檔。如果問題仍然存在，請考慮更新你的瀏覽器或重設該應用程式。如需協助或與我們聯絡，請前往 GitHub Issue 提交一個 Issue 並附以詳細資料。

请尝试刷新或者重新上传配置文件。如果问题仍然存在，请考虑更新您的浏览器或者重置本应用程序。如需帮助或者联系我们，请前往 GitHub Issue 提交一个 Issue 并附上详细信息。

Details:

TypeError: right-hand side of 'in' should be an object, got undefined

se@https://railmapgen.github.io/rmp/assets/svg-wrapper-XCWGFSGF.js:1:9348
svg
le@https://railmapgen.github.io/rmp/assets/svg-wrapper-XCWGFSGF.js:1:12904
div
op/<@https://railmapgen.github.io/rmp/assets/chakra-t2DzLzXq.js:16:6180
zs/<@https://railmapgen.github.io/rmp/assets/chakra-t2DzLzXq.js:16:134057
yO<@https://railmapgen.github.io/rmp/assets/chakra-t2DzLzXq.js:16:313922
e@https://railmapgen.github.io/rmp/assets/index-DKDPWc6f.js:10:71763
Suspense
div
op/<@https://railmapgen.github.io/rmp/assets/chakra-t2DzLzXq.js:16:6180
zs/<@https://railmapgen.github.io/rmp/assets/chakra-t2DzLzXq.js:16:134057
yO<@https://railmapgen.github.io/rmp/assets/chakra-t2DzLzXq.js:16:313922
Bm@https://railmapgen.github.io/rmp/assets/index-DKDPWc6f.js:10:79342
gy@https://railmapgen.github.io/rmp/assets/index-DKDPWc6f.js:10:90521
Gp@https://railmapgen.github.io/rmp/assets/chakra-t2DzLzXq.js:16:135435
cp@https://railmapgen.github.io/rmp/assets/chakra-t2DzLzXq.js:16:17671
h0@https://railmapgen.github.io/rmp/assets/chakra-t2DzLzXq.js:16:6400
oT@https://railmapgen.github.io/rmp/assets/chakra-t2DzLzXq.js:16:134750
sT@https://railmapgen.github.io/rmp/assets/chakra-t2DzLzXq.js:16:136000
U2/<@https://railmapgen.github.io/rmp/assets/chakra-t2DzLzXq.js:16:249107
fy@https://railmapgen.github.io/rmp/assets/index-DKDPWc6f.js:10:90426
px@https://railmapgen.github.io/rmp/assets/index-DKDPWc6f.js:10:257476
dy@https://railmapgen.github.io/rmp/assets/react-DmTIgZys.js:25:142341
Jh@https://railmapgen.github.io/rmp/assets/react-DmTIgZys.js:33:2752

[thekingofcity]

Hi, would you like to upload the json. And what steps did you do before hitting this error?