This plugin is not available on WaterFall 1.20, please fix it! Please!

[MCDIANSHIJIA]

This plugin is not available on WaterFall 1.20, please fix it! Please!
[22:37:29 WARN]: Exception encountered when loading plugin: BungeeChatFilter
java.lang.NoSuchMethodError: org.yaml.snakeyaml.representer.Representer: method ()V not found
at com.minecraftdimensions.bungeechatfilter.configlibrary.YamlRepresenter.(YamlRepresenter.java:11) ~[?:?]
at com.minecraftdimensions.bungeechatfilter.configlibrary.YamlConfiguration.(YamlConfiguration.java:20) ~[?:?]
at com.minecraftdimensions.bungeechatfilter.configlibrary.YamlConfiguration.loadConfiguration(YamlConfiguration.java:152) ~[?:?]
at com.minecraftdimensions.bungeechatfilter.configlibrary.Config.(Config.java:19) ~[?:?]
at com.minecraftdimensions.bungeechatfilter.MainConfig.(MainConfig.java:11) ~[?:?]
at com.minecraftdimensions.bungeechatfilter.Main.initialiseConfig(Main.java:65) ~[?:?]
at com.minecraftdimensions.bungeechatfilter.Main.onEnable(Main.java:26) ~[?:?]
at net.md_5.bungee.api.plugin.PluginManager.enablePlugins(PluginManager.java:316) ~[waterfall.jar:git:Waterfall-Bootstrap:1.20-R0.1-SNAPSHOT:ec41547:536]
at net.md_5.bungee.BungeeCord.start(BungeeCord.java:299) ~[waterfall.jar:git:Waterfall-Bootstrap:1.20-R0.1-SNAPSHOT:ec41547:536]
at net.md_5.bungee.BungeeCordLauncher.main(BungeeCordLauncher.java:67) ~[waterfall.jar:git:Waterfall-Bootstrap:1.20-R0.1-SNAPSHOT:ec41547:536]
at net.md_5.bungee.Bootstrap.main(Bootstrap.java:15) ~[waterfall.jar:git:Waterfall-Bootstrap:1.20-R0.1-SNAPSHOT:ec41547:536]