[18:08:42 ERROR]: Could not load 'plugins\BlockBreakParticle.jar' in folder 'plugins'
org.bukkit.plugin.InvalidPluginException: java.lang.NoClassDefFoundError: net/minecraft/server/v1_9_R1/Packet
        at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:131) ~[Paperspigot.jar:git-Paper-1618]
        at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:329) ~[Paperspigot.jar:git-Paper-1618]
        at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:251) ~[Paperspigot.jar:git-Paper-1618]
        at org.bukkit.craftbukkit.v1_12_R1.CraftServer.loadPlugins(CraftServer.java:318) ~[Paperspigot.jar:git-Paper-1618]
        at net.minecraft.server.v1_12_R1.DedicatedServer.init(DedicatedServer.java:222) ~[Paperspigot.jar:git-Paper-1618]
        at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:616) ~[Paperspigot.jar:git-Paper-1618]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_211]
Caused by: java.lang.NoClassDefFoundError: net/minecraft/server/v1_9_R1/Packet
        at java.lang.Class.forName0(Native Method) ~[?:1.8.0_211]
        at java.lang.Class.forName(Unknown Source) ~[?:1.8.0_211]
        at org.bukkit.plugin.java.PluginClassLoader.<init>(PluginClassLoader.java:82) ~[Paperspigot.jar:git-Paper-1618]
        at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:127) ~[Paperspigot.jar:git-Paper-1618]
        ... 6 more
Caused by: java.lang.ClassNotFoundException: net.minecraft.server.v1_9_R1.Packet
        at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:109) ~[Paperspigot.jar:git-Paper-1618]
        at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:104) ~[Paperspigot.jar:git-Paper-1618]
        at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_211]
        at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_211]
        at java.lang.Class.forName0(Native Method) ~[?:1.8.0_211]
        at java.lang.Class.forName(Unknown Source) ~[?:1.8.0_211]
        at org.bukkit.plugin.java.PluginClassLoader.<init>(PluginClassLoader.java:82) ~[Paperspigot.jar:git-Paper-1618]
        at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:127) ~[Paperspigot.jar:git-Paper-1618]
        ... 6 more