NullPointerException stack trace

[16:50:20 ERROR]: Couldn't pass ProxyInitializeEvent to chocolate
java.lang.NullPointerException: Cannot invoke "io.alerium.chocolate.network.CacheManager.getPlayerData(java.util.UUID)" because the return value of "io.alerium.chocolate.ChocolatePlugin.getCacheManager()" is null
        at io.alerium.chocolate.network.SyncManager.cleanPlayer(SyncManager.java:88) ~[?:?]
        at io.alerium.chocolate.network.SyncManager.<init>(SyncManager.java:43) ~[?:?]
        at io.alerium.chocolate.ChocolatePlugin.loadInstances(ChocolatePlugin.java:97) ~[?:?]
        at io.alerium.chocolate.ChocolatePlugin.onProxyInitialization(ChocolatePlugin.java:73) ~[?:?]
        at io.alerium.chocolate.Lmbda$1.execute(Unknown Source) ~[?:?]
        at com.velocitypowered.proxy.event.UntargetedEventHandler$VoidHandler.lambda$buildHandler$0(UntargetedEventHandler.java:47) ~[velocity.jar:3.1.1]
        at com.velocitypowered.proxy.event.VelocityEventManager.fire(VelocityEventManager.java:598) ~[velocity.jar:3.1.1]
        at com.velocitypowered.proxy.event.VelocityEventManager.lambda$fire$5(VelocityEventManager.java:479) ~[velocity.jar:3.1.1]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136) ~[?:?]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) ~[?:?]
        at java.lang.Thread.run(Thread.java:833) [?:?]