Type of bug

Error in console

/ess dump all output

Command not work..

Error log (if applicable)

https://mclo.gs/miPUS25

Bug description

Hi, I was 42 dev build back, I updated the plugin to the latest version and I got this bug.

Steps to reproduce

1. Stop server
2. Delete old plugin
3. Upload new version
4. Start server

Expected behaviour

Plugin load

Actual behaviour

Plugin not load

Update your server jar.

Okay

Full logs: https://mclo.gs/HtJIbSm