java.lang.NoClassDefFoundError: org/apache/commons/codec/binary/Base64
        at org.dynmap.forge_1_18.DynmapPlugin$ForgePlayer.<init>(DynmapPlugin.java:1129) ~[Dynmap-3.3-SNAPSHOT-forge-1.18.jar%2337!:?] {re:classloading}
        at org.dynmap.forge_1_18.DynmapPlugin.getOrAddPlayer(DynmapPlugin.java:306) ~[Dynmap-3.3-SNAPSHOT-forge-1.18.jar%2337!:?] {re:classloading}
        at org.dynmap.forge_1_18.DynmapPlugin$PlayerTracker.onPlayerLogin(DynmapPlugin.java:1622) ~[Dynmap-3.3-SNAPSHOT-forge-1.18.jar%2337!:?] {re:classloading}
        at net.minecraftforge.eventbus.ASMEventHandler_19_PlayerTracker_onPlayerLogin_PlayerLoggedInEvent.invoke(.dynamic) ~[?:?] {}
        at net.minecraftforge.eventbus.ASMEventHandler.invoke(ASMEventHandler.java:85) ~[eventbus-5.0.3.jar%232!:?] {}
        at net.minecraftforge.eventbus.EventBus.post(EventBus.java:302) ~[eventbus-5.0.3.jar%232!:?] {}
        at net.minecraftforge.eventbus.EventBus.post(EventBus.java:283) ~[eventbus-5.0.3.jar%232!:?] {}
        at net.minecraftforge.event.ForgeEventFactory.firePlayerLoggedIn(ForgeEventFactory.java:810) ~[forge-1.18-38.0.12-universal.jar%2343!:?] {re:classloading,pl:runtimedistcleaner:A}
        at net.minecraft.server.players.PlayerList.m_11261_(PlayerList.java:237) ~[server-1.18-20211130.085255-srg.jar%2339!:?] {re:classloading}
        at net.minecraft.server.network.ServerLoginPacketListenerImpl.m_143699_(ServerLoginPacketListenerImpl.java:138) ~[server-1.18-20211130.085255-srg.jar%2339!:?] {re:classloading}
        at net.minecraft.server.network.ServerLoginPacketListenerImpl.m_10055_(ServerLoginPacketListenerImpl.java:125) ~[server-1.18-20211130.085255-srg.jar%2339!:?] {re:classloading}
        at net.minecraft.server.network.ServerLoginPacketListenerImpl.m_10050_(ServerLoginPacketListenerImpl.java:69) ~[server-1.18-20211130.085255-srg.jar%2339!:?] {re:classloading}
        at net.minecraft.network.Connection.m_129483_(Connection.java:229) ~[server-1.18-20211130.085255-srg.jar%2339!:?] {re:classloading}
        at net.minecraft.server.network.ServerConnectionListener.m_9721_(ServerConnectionListener.java:142) ~[server-1.18-20211130.085255-srg.jar%2339!:?] {re:classloading}
        at net.minecraft.server.MinecraftServer.m_5703_(MinecraftServer.java:882) ~[server-1.18-20211130.085255-srg.jar%2339!:?] {re:classloading,pl:accesstransformer:B}
        at net.minecraft.server.dedicated.DedicatedServer.m_5703_(DedicatedServer.java:328) ~[server-1.18-20211130.085255-srg.jar%2339!:?] {re:classloading,pl:accesstransformer:B}
        at net.minecraft.server.MinecraftServer.m_5705_(MinecraftServer.java:808) ~[server-1.18-20211130.085255-srg.jar%2339!:?] {re:classloading,pl:accesstransformer:B}
        at net.minecraft.server.MinecraftServer.m_130011_(MinecraftServer.java:668) ~[server-1.18-20211130.085255-srg.jar%2339!:?] {re:classloading,pl:accesstransformer:B}
        at net.minecraft.server.MinecraftServer.m_177918_(MinecraftServer.java:258) ~[server-1.18-20211130.085255-srg.jar%2339!:?] {re:classloading,pl:accesstransformer:B}
        at java.lang.Thread.run(Thread.java:833) [?:?] {}
Caused by: java.lang.ClassNotFoundException: org.apache.commons.codec.binary.Base64
        at jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:641) ~[?:?] {}
        at java.lang.ClassLoader.loadClass(ClassLoader.java:520) ~[?:?] {}
        at cpw.mods.cl.ModuleClassLoader.loadClass(ModuleClassLoader.java:132) ~[securejarhandler-0.9.54.jar:?] {}
        at java.lang.ClassLoader.loadClass(ClassLoader.java:520) ~[?:?] {}
        at cpw.mods.cl.ModuleClassLoader.loadClass(ModuleClassLoader.java:132) ~[securejarhandler-0.9.54.jar:?] {}
        at java.lang.ClassLoader.loadClass(ClassLoader.java:520) ~[?:?] {}
        ... 20 more