Altfinder (and antivpn) fail to load on latest waterfall (with the same error)

[PaintsplattersMC]

Plugin version: '3.4.24'
Server type: 'Waterfall '
Server version: '466'

Describe the bug
Alt finder (and antivpn) fail to load with (the same) an error in console.

Expected behavior
The plugin should load and function as it previously did

To Reproduce
Update to latest waterfall for 1.18 from 1.17.1 versions.
Plugins

Error Quite small.
[22:43:20] [main/WARN]: Error loading plugin AltFinder
java.lang.ExceptionInInitializerError: null
at me.egg82.altfinder.BungeeBootstrap.onLoad(BungeeBootstrap.java:38) ~[?:?]
at net.md_5.bungee.api.plugin.PluginManager.enablePlugin(PluginManager.java:398) ~[waterfall.jar:git:Waterfall-Bootstrap:1.18-R0.1-SNAPSHOT:bf5e3c4:466]
at net.md_5.bungee.api.plugin.PluginManager.loadPlugins(PluginManager.java:300) ~[waterfall.jar:git:Waterfall-Bootstrap:1.18-R0.1-SNAPSHOT:bf5e3c4:466]
at net.md_5.bungee.BungeeCord.start(BungeeCord.java:278) ~[waterfall.jar:git:Waterfall-Bootstrap:1.18-R0.1-SNAPSHOT:bf5e3c4:466]
at net.md_5.bungee.BungeeCordLauncher.main(BungeeCordLauncher.java:67) ~[waterfall.jar:git:Waterfall-Bootstrap:1.18-R0.1-SNAPSHOT:bf5e3c4:466]
at net.md_5.bungee.Bootstrap.main(Bootstrap.java:15) ~[waterfall.jar:git:Waterfall-Bootstrap:1.18-R0.1-SNAPSHOT:bf5e3c4:466]
Caused by: java.lang.reflect.InaccessibleObjectException: Unable to make protected java.lang.Class java.net.URLClassLoader.findClass(java.lang.String) throws java.lang.ClassNotFoundException accessible: module java.base does not "opens java.net" to unnamed module @2ca5f1ed
at java.lang.reflect.AccessibleObject.checkCanSetAccessible(AccessibleObject.java:357) ~[?:?]
at java.lang.reflect.AccessibleObject.checkCanSetAccessible(AccessibleObject.java:297) ~[?:?]
at java.lang.reflect.Method.checkCanSetAccessible(Method.java:199) ~[?:?]
at java.lang.reflect.Method.setAccessible(Method.java:193) ~[?:?]
at me.egg82.altfinder.external.ninja.egg82.services.ProxiedURLClassLoader.(ProxiedURLClassLoader.java:20) ~[?:?]
... 6 more

[PaintsplattersMC]

Update. add java line --illegal-access=permit and it works

[Trikolon]

This is a dupe of #13