[19:57:43] [Server thread/ERROR]: Could not load 'plugins/LibsDisguises-9.8.4.jar' in folder 'plugins'
org.bukkit.plugin.InvalidPluginException: java.lang.VerifyError: Operand stack underflow
Exception Details:
  Location:
    me/libraryaddict/disguise/LibsDisguises.getInstance()Lme/libraryaddict/disguise/LibsDisguises; @0: areturn
  Reason:
    Attempt to pop empty stack.
  Current Frame:
    bci: @0
    flags: { }
    locals: { }
    stack: { }
  Bytecode:
    0x0000000: b0

    at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:138) ~[patched_1.14.4.jar:git-Paper-225]
    at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:337) ~[patched_1.14.4.jar:git-Paper-225]
    at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:257) ~[patched_1.14.4.jar:git-Paper-225]
    at org.bukkit.craftbukkit.v1_14_R1.CraftServer.loadPlugins(CraftServer.java:355) ~[patched_1.14.4.jar:git-Paper-225]
    at net.minecraft.server.v1_14_R1.DedicatedServer.init(DedicatedServer.java:226) ~[patched_1.14.4.jar:git-Paper-225]
    at net.minecraft.server.v1_14_R1.MinecraftServer.run(MinecraftServer.java:876) ~[patched_1.14.4.jar:git-Paper-225]
    at java.lang.Thread.run(Thread.java:745) [?:1.8.0_111]
Caused by: java.lang.VerifyError: Operand stack underflow
Exception Details:
  Location:
    me/libraryaddict/disguise/LibsDisguises.getInstance()Lme/libraryaddict/disguise/LibsDisguises; @0: areturn
  Reason:
    Attempt to pop empty stack.
  Current Frame:
    bci: @0
    flags: { }
    locals: { }
    stack: { }
  Bytecode:
    0x0000000: b0