Caused by: java.util.ConcurrentModificationException
        at java.util.ArrayList$Itr.checkForComodification(Unknown Source) ~[?:1.8.0_192]
        at java.util.ArrayList$Itr.next(Unknown Source) ~[?:1.8.0_192]
        at ru.lisenochek.mcrust.objects.blockMechanic.Recycler.stopWork(Recycler.java:129) ~[?:?]
        at ru.lisenochek.mcrust.listeners.RecyclerListener.onClickGUI(RecyclerListener.java:107) ~[?:?]
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_192]
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_192]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_192]
        at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_192]
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:302) ~[server.jar:git-Spigot-642f6d2-57ab4cf]
        ... 15 more