Plugin fails to work if installed with ProtocolSupportBungee

[hashashin]

Seems like this plugins dont like each other, this happens if a server restart and both plugins are enabled:

[05:44:34 WARN] [io.netty.channel.ChannelInitializer]: Failed to initialize a channel. Closing: [id: 0x8ccf66a6]
java.lang.IllegalArgumentException: handler
        at com.google.common.base.Preconditions.checkArgument(Preconditions.java:122) ~[water.jar:git:Waterfall-Bootstrap:1.15-SNAPSHOT:a86e191:320]
        at net.md_5.bungee.netty.HandlerBoss.setHandler(HandlerBoss.java:35) ~[water.jar:git:Waterfall-Bootstrap:1.15-SNAPSHOT:a86e191:320]
        at protocolsupport.injector.BungeeNettyChannelInjector$CustomHandlerBoss.setHandler(BungeeNettyChannelInjector.java:95) ~[?:?]
        at protocolsupport.injector.BungeeNettyChannelInjector$CustomHandlerBoss.<init>(BungeeNettyChannelInjector.java:89) ~[?:?]
        at protocolsupport.injector.BungeeNettyChannelInjector$ChannelInitializerEntryPoint.initChannel(BungeeNettyChannelInjector.java:53) ~[?:?]
        at protocolsupport.utils.netty.ChannelInitializer.channelRegistered(ChannelInitializer.java:17) ~[?:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRegistered(AbstractChannelHandlerContext.java:164) ~[water.jar:git:Waterfall-Bootstrap:1.15-SNAPSHOT:a86e191:320]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRegistered(AbstractChannelHandlerContext.java:150) ~[water.jar:git:Waterfall-Bootstrap:1.15-SNAPSHOT:a86e191:320]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelRegistered(AbstractChannelHandlerContext.java:143) ~[water.jar:git:Waterfall-Bootstrap:1.15-SNAPSHOT:a86e191:320]
        at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRegistered(DefaultChannelPipeline.java:1383) ~[water.jar:git:Waterfall-Bootstrap:1.15-SNAPSHOT:a86e191:320]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRegistered(AbstractChannelHandlerContext.java:164) ~[water.jar:git:Waterfall-Bootstrap:1.15-SNAPSHOT:a86e191:320]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRegistered(AbstractChannelHandlerContext.java:150) ~[water.jar:git:Waterfall-Bootstrap:1.15-SNAPSHOT:a86e191:320]
        at io.netty.channel.DefaultChannelPipeline.fireChannelRegistered(DefaultChannelPipeline.java:815) ~[water.jar:git:Waterfall-Bootstrap:1.15-SNAPSHOT:a86e191:320]
        at io.netty.channel.AbstractChannel$AbstractUnsafe.register0(AbstractChannel.java:505) ~[water.jar:git:Waterfall-Bootstrap:1.15-SNAPSHOT:a86e191:320]
        at io.netty.channel.AbstractChannel$AbstractUnsafe.access$200(AbstractChannel.java:417) ~[water.jar:git:Waterfall-Bootstrap:1.15-SNAPSHOT:a86e191:320]
        at io.netty.channel.AbstractChannel$AbstractUnsafe$1.run(AbstractChannel.java:474) ~[water.jar:git:Waterfall-Bootstrap:1.15-SNAPSHOT:a86e191:320]
        at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:164) ~[water.jar:git:Waterfall-Bootstrap:1.15-SNAPSHOT:a86e191:320]
        at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:472) ~[water.jar:git:Waterfall-Bootstrap:1.15-SNAPSHOT:a86e191:320]
        at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:384) ~[water.jar:git:Waterfall-Bootstrap:1.15-SNAPSHOT:a86e191:320]
        at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989) ~[water.jar:git:Waterfall-Bootstrap:1.15-SNAPSHOT:a86e191:320]
        at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[water.jar:git:Waterfall-Bootstrap:1.15-SNAPSHOT:a86e191:320]
        at java.lang.Thread.run(Thread.java:821) [?:1.8.0_242]

And SlingShot says theres no lobby to connect, if I remove ProtocolSupportBungee all work again.

Thanks.