[03:00:01] [Server thread/ERROR]: Could not load 'plugins/ScreamingTrees.jar' in folder 'plugins'
org.bukkit.plugin.InvalidPluginException: java.lang.UnsupportedClassVersionError: optic_fusion1/screamingtrees/ScreamingTrees has been compiled by a more recent version of the Java Runtime (class file version 58.0), this version of the Java Runtime only recognizes class file versions up to 55.0
    at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:139) ~[spigot-1.16.2.jar:git-Spigot-b5a13e6-0491200]
    at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:394) ~[spigot-1.16.2.jar:git-Spigot-b5a13e6-0491200]
    at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:301) ~[spigot-1.16.2.jar:git-Spigot-b5a13e6-0491200]
    at org.bukkit.craftbukkit.v1_16_R2.CraftServer.loadPlugins(CraftServer.java:381) ~[spigot-1.16.2.jar:git-Spigot-b5a13e6-0491200]
    at net.minecraft.server.v1_16_R2.DedicatedServer.init(DedicatedServer.java:186) ~[spigot-1.16.2.jar:git-Spigot-b5a13e6-0491200]
    at net.minecraft.server.v1_16_R2.MinecraftServer.w(MinecraftServer.java:808) ~[spigot-1.16.2.jar:git-Spigot-b5a13e6-0491200]
    at net.minecraft.server.v1_16_R2.MinecraftServer.lambda$0(MinecraftServer.java:164) ~[spigot-1.16.2.jar:git-Spigot-b5a13e6-0491200]
    at java.lang.Thread.run(Thread.java:834) [?:?]
Caused by: java.lang.UnsupportedClassVersionError: optic_fusion1/screamingtrees/ScreamingTrees has been compiled by a more recent version of the Java Runtime (class file version 58.0), this version of the Java Runtime only recognizes class file versions up to 55.0
    at java.lang.ClassLoader.defineClass1(Native Method) ~[?:?]
    at java.lang.ClassLoader.defineClass(ClassLoader.java:1017) ~[?:?]
    at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:174) ~[?:?]
    at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:163) ~[spigot-1.16.2.jar:git-Spigot-b5a13e6-0491200]
    at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:96) ~[spigot-1.16.2.jar:git-Spigot-b5a13e6-0491200]
    at java.lang.ClassLoader.loadClass(ClassLoader.java:589) ~[?:?]
    at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
    at java.lang.Class.forName0(Native Method) ~[?:?]
    at java.lang.Class.forName(Class.java:398) ~[?:?]
    at org.bukkit.plugin.java.PluginClassLoader.<init>(PluginClassLoader.java:64) ~[spigot-1.16.2.jar:git-Spigot-b5a13e6-0491200]
    at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:135) ~[spigot-1.16.2.jar:git-Spigot-b5a13e6-0491200]
    ... 7 more
[03:00:01] [Server thread/WARN]: Initializing Legacy Material Support. Unless you have legacy plugins and/or data this is a bug!
[03:00:10] [Server thread/WARN]: Legacy plugin AutoRestart v4.2.1 does not specify an api-version.