Minecraft Overviewer version 0.17.39 (2402e41) crashing on Minecraft 1.18

[Mickoloh]

$ /opt/minecraft/build/Minecraft-Overviewer/overviewer.py --config=/opt/minecraft/build/config.py
2021-11-30 21:11:47  Welcome to Minecraft Overviewer version 0.17.39 (2402e41)!
2021-11-30 21:11:47  Generating textures...
2021-11-30 21:12:16 E An error has occurred. This may be a bug. Please let us know!
See http://docs.overviewer.org/en/latest/index.html#help

This is the error that occurred:
Traceback (most recent call last):
  File "/opt/minecraft/build/Minecraft-Overviewer/overviewer.py", line 653, in <module>
    ret = main()
  File "/opt/minecraft/build/Minecraft-Overviewer/overviewer.py", line 562, in main
    tileSetOpts.update({"spawn": w.find_true_spawn()})  # TODO find a better way to do this
  File "/opt/minecraft/build/Minecraft-Overviewer-0.17.39/overviewer_core/world.py", line 221, in find_true_spawn
    chunk = regionset.get_chunk(chunkX, chunkZ)
  File "/opt/minecraft/build/Minecraft-Overviewer-0.17.39/overviewer_core/world.py", line 1637, in get_chunk
    level = data[1]['Level']
KeyError: 'Level'

Fedora 35, Minecraft 1.18

[Unix-User]

same error

2021-12-01 01:41:16  Welcome to Minecraft Overviewer version 0.17.39 (2402e41)!
2021-12-01 01:41:16  Generating textures...
2021-12-01 01:41:45 E An error has occurred. This may be a bug. Please let us know!
See http://docs.overviewer.org/en/latest/index.html#help

This is the error that occurred:
Traceback (most recent call last):
  File "./overviewer.py", line 653, in <module>
    ret = main()
  File "./overviewer.py", line 562, in main
    tileSetOpts.update({"spawn": w.find_true_spawn()})  # TODO find a better way to do this
  File "/opt/minecraft/Minecraft-Overviewer/overviewer_core/world.py", line 221, in find_true_spawn
    chunk = regionset.get_chunk(chunkX, chunkZ)
  File "/opt/minecraft/Minecraft-Overviewer/overviewer_core/world.py", line 1637, in get_chunk
    level = data[1]['Level']
KeyError: 'Level'

Ubuntu 20.04, Minecraft 1.18

[shnizmuffin]

Same.

Debian 11, Minecraft 1.18

[ST-Electro]

Same.

Ubuntu 18.04, Minecraft 1.18

[F-Node-Karlsruhe]

Same here. Seems to be a general problem :)

[IncredibleHolg]

This is a duplicate of #1990

The solving pull request is within this issue,

[oscar230]

Same error here for Minecraft 1.18 on Debian 5.10.70-1 and Python 3.9.2.

Below is the complete log.

2021-12-01 21:53:57  Welcome to Minecraft Overviewer version 0.17.39 (2402e41)!
2021-12-01 21:53:57  Generating textures...
2021-12-01 21:54:12 E An error has occurred. This may be a bug. Please let us know!
See http://docs.overviewer.org/en/latest/index.html#help

This is the error that occurred:
Traceback (most recent call last):
  File "/opt/minecraft-overviewer/Minecraft-Overviewer/overviewer.py", line 653, in <module>
    ret = main()
  File "/opt/minecraft-overviewer/Minecraft-Overviewer/overviewer.py", line 562, in main
    tileSetOpts.update({"spawn": w.find_true_spawn()})  # TODO find a better way to do this
  File "/opt/minecraft-overviewer/Minecraft-Overviewer/overviewer_core/world.py", line 221, in find_true_spawn
    chunk = regionset.get_chunk(chunkX, chunkZ)
  File "/opt/minecraft-overviewer/Minecraft-Overviewer/overviewer_core/world.py", line 1637, in get_chunk
    level = data[1]['Level']
KeyError: 'Level'

I have had some programming in python, but never professionally. Can i contribute in any way? I don't know where to start here.
Sincerely.

[Mickoloh]

This is a duplicate of #1990

The solving pull request is within this issue,

I applied the patched code and I could successfully generate the graphics with no issues. Thank you!

[BenKennish]

Same problem here. Does someone need to approve the PR?