Confirmation

• I have read the FAQ.
• I have tested the latest development build of Holographic Displays and the bug is still present.
• I have updated Spigot to the latest release for my particular Minecraft version.
• I made sure the bug hasn't already been reported on the issue tracker.

Description

Could not load 'plugins/PlaceholderAPI-2.11.1.jar' in folder 'plugins' org.bukkit.plugin.InvalidPluginException: java.lang.NoClassDefFoundError: com/google/gson/Gson at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:135) ~[server.jar:git-Spigot-c3c767f-33d5de3] at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:329) ~[server.jar:git-Spigot-c3c767f-33d5de3] at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:251) [server.jar:git-Spigot-c3c767f-33d5de3] at org.bukkit.craftbukkit.v1_8_R1.CraftServer.loadPlugins(CraftServer.java:291) [server.jar:git-Spigot-c3c767f-33d5de3] at net.minecraft.server.v1_8_R1.DedicatedServer.init(DedicatedServer.java:152) [server.jar:git-Spigot-c3c767f-33d5de3] at net.minecraft.server.v1_8_R1.MinecraftServer.run(MinecraftServer.java:505) [server.jar:git-Spigot-c3c767f-33d5de3] at java.base/java.lang.Thread.run(Thread.java:833) [?:?] Caused by: java.lang.NoClassDefFoundError: com/google/gson/Gson at me.clip.placeholderapi.expansion.manager.CloudExpansionManager.<clinit>(CloudExpansionManager.java:64) ~[?:?] at me.clip.placeholderapi.PlaceholderAPIPlugin.<init>(PlaceholderAPIPlugin.java:76) ~[?:?] at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:?] at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77) ~[?:?] at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[?:?] at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) ~[?:?] at java.base/java.lang.reflect.ReflectAccess.newInstance(ReflectAccess.java:128) ~[?:?] at java.base/jdk.internal.reflect.ReflectionFactory.newInstance(ReflectionFactory.java:347) ~[?:?] at java.base/java.lang.Class.newInstance(Class.java:645) ~[?:?] at org.bukkit.plugin.java.PluginClassLoader.<init>(PluginClassLoader.java:76) ~[server.jar:git-Spigot-c3c767f-33d5de3] at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:131) ~[server.jar:git-Spigot-c3c767f-33d5de3] ... 6 more Caused by: java.lang.ClassNotFoundException: com.google.gson.Gson at java.base/java.net.URLClassLoader.findClass(URLClassLoader.java:445) ~[?:?] at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:101) ~[server.jar:git-Spigot-c3c767f-33d5de3] at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:86) ~[server.jar:git-Spigot-c3c767f-33d5de3] at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:587) ~[?:?] at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:520) ~[?:?] at me.clip.placeholderapi.expansion.manager.CloudExpansionManager.<clinit>(CloudExpansionManager.java:64) ~[?:?] at me.clip.placeholderapi.PlaceholderAPIPlugin.<init>(PlaceholderAPIPlugin.java:76) ~[?:?] at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:?] at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77) ~[?:?] at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[?:?] at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) ~[?:?] at java.base/java.lang.reflect.ReflectAccess.newInstance(ReflectAccess.java:128) ~[?:?] at java.base/jdk.internal.reflect.ReflectionFactory.newInstance(ReflectionFactory.java:347) ~[?:?] at java.base/java.lang.Class.newInstance(Class.java:645) ~[?:?] at org.bukkit.plugin.java.PluginClassLoader.<init>(PluginClassLoader.java:76) ~[server.jar:git-Spigot-c3c767f-33d5de3] at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:131) ~[server.jar:git-Spigot-c3c767f-33d5de3] ... 6 more

How to reproduce

Start the server

Server version

1.8

Holographic Displays version

2.4.9

Installed plugins that allow players to join with multiple Minecraft versions

ViaVersion, ViaBackwards

Additional information

No response

Sorry I made a mistake uploading the error to github

The error is not related to Holographic Displays, but Placeholder API.