What steps will reproduce the problem?

1.create a town
2.unclaim the town just created
3.put the lava

What is the expected output?

the lava is flowing

Towny version

0.100.3.0

Server version

Paper 1.21-106

Please use Pastebin.com to link the following files

1. Your full server startup from the logs\latest.log:
2. Your Towny config.yml:https://pastebin.com/Kp1ydw22
3. Your townyperms.yml:https://pastebin.com/TFw02fmN
4. Your log's error:none

(optional) If this is to do with permissions,
5. Your permissions file:

(optional) If this is to do with chat,
6. Your chatconfig.yml:
7. Your channels.yml:

This is not something I can reproduce, and it doesn't make a lot of sense. Towny only prevents flow into Towns that still exist/places that are claimed: