Tablist unable to load under paper-1.17.1-154

Running on Linux Amd64.
The error trace is:

[22:27:23 ERROR]: Could not load 'plugins/Tablist.jar' in folder 'plugins'
org.bukkit.plugin.InvalidPluginException: Cannot find main class `oculus.tablist.Tablist'
        at org.bukkit.plugin.java.PluginClassLoader.<init>(PluginClassLoader.java:73) ~[patched_1.17.1.jar:git-Paper-154]
        at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:153) ~[patched_1.17.1.jar:git-Paper-154]
        at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:414) ~[patched_1.17.1.jar:git-Paper-154]
        at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:322) ~[patched_1.17.1.jar:git-Paper-154]
        at org.bukkit.craftbukkit.v1_17_R1.CraftServer.loadPlugins(CraftServer.java:404) ~[patched_1.17.1.jar:git-Paper-154]
        at net.minecraft.server.dedicated.DedicatedServer.initServer(DedicatedServer.java:276) ~[patched_1.17.1.jar:git-Paper-154]
        at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1126) ~[patched_1.17.1.jar:git-Paper-154]
        at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:316) ~[patched_1.17.1.jar:git-Paper-154]
        at java.lang.Thread.run(Thread.java:831) [?:?]
Caused by: java.lang.ClassNotFoundException: oculus.tablist.Tablist
        at org.bukkit.plugin.java.PluginClassLoader.loadClass0(PluginClassLoader.java:146) ~[patched_1.17.1.jar:git-Paper-154]
        at org.bukkit.plugin.java.PluginClassLoader.loadClass(PluginClassLoader.java:103) ~[patched_1.17.1.jar:git-Paper-154]
        at java.lang.ClassLoader.loadClass(ClassLoader.java:519) ~[?:?]
        at java.lang.Class.forName0(Native Method) ~[?:?]
        at java.lang.Class.forName(Class.java:466) ~[?:?]
        at org.bukkit.plugin.java.PluginClassLoader.<init>(PluginClassLoader.java:71) ~[patched_1.17.1.jar:git-Paper-154]
        ... 8 more