This one, as the title says, now adds support for 1.18! The plugin has now been complied against the 1.18 Spigot API.

If you discover any other issues with the plugin, please do send me a message or leave a post on the forum with your issue and I'll try my best to assist you.

Change-log:
Update GitHub repository
Updated Spigot API to 1.18
Small code cleanup in main class
Fixed shutdown 'Null' console error
Added 1.18.x to startup version check