[18:19:47] [Server thread/ERROR]: Could not load 'plugins\AdvancedEnvoys-1.3.0.jar' in folder 'plugins'
org.bukkit.plugin.InvalidPluginException: java.lang.NoClassDefFoundError: be/maximvdw/placeholderapi/PlaceholderReplacer
	at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:131) ~[patched_1.12.2.jar:git-Paper-1613]
	at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:329) ~[patched_1.12.2.jar:git-Paper-1613]
	at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:251) ~[patched_1.12.2.jar:git-Paper-1613]
	at org.bukkit.craftbukkit.v1_12_R1.CraftServer.loadPlugins(CraftServer.java:318) ~[patched_1.12.2.jar:git-Paper-1613]
	at net.minecraft.server.v1_12_R1.DedicatedServer.init(DedicatedServer.java:222) ~[patched_1.12.2.jar:git-Paper-1613]
	at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:616) ~[patched_1.12.2.jar:git-Paper-1613]
	at java.lang.Thread.run(Unknown Source) [?:1.8.0_202]
Caused by: java.lang.NoClassDefFoundError: be/maximvdw/placeholderapi/PlaceholderReplacer
	at java.lang.Class.forName0(Native Method) ~[?:1.8.0_202]
	at java.lang.Class.forName(Unknown Source) ~[?:1.8.0_202]
	at org.bukkit.plugin.java.PluginClassLoader.<init>(PluginClassLoader.java:82) ~[patched_1.12.2.jar:git-Paper-1613]
	at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:127) ~[patched_1.12.2.jar:git-Paper-1613]
	... 6 more
Caused by: java.lang.ClassNotFoundException: be.maximvdw.placeholderapi.PlaceholderReplacer
	at java.net.URLClassLoader.findClass(Unknown Source) ~[?:1.8.0_202]
	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:156) ~[patched_1.12.2.jar:git-Paper-1613]
	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:104) ~[patched_1.12.2.jar:git-Paper-1613]
	at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_202]
	at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_202]
	at java.lang.Class.forName0(Native Method) ~[?:1.8.0_202]
	at java.lang.Class.forName(Unknown Source) ~[?:1.8.0_202]
	at org.bukkit.plugin.java.PluginClassLoader.<init>(PluginClassLoader.java:82) ~[patched_1.12.2.jar:git-Paper-1613]
	at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:127) ~[patched_1.12.2.jar:git-Paper-1613]
	... 6 more