[Bug] Error with offline party members (Parties plugin)

Hey there. Can you please try this on the latest dev builds of 1.3.0 and let me know if it still happens?

yes MythicDungeons-1.3.0-SNAPSHOT.jar Build 179 · Today at 18:58:00

[05:04:30 INFO]: BHCC issued server command: /md play cs [05:04:30 ERROR]: null org.bukkit.command.CommandException: Unhandled exception executing command 'md' in plugin MythicDungeons v1.3.0-SNAPSHOT at org.bukkit.command.PluginCommand.execute(PluginCommand.java:47) ~[paper-api-1.20.1-R0.1-SNAPSHOT.jar:?] at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:155) ~[paper-api-1.20.1-R0.1-SNAPSHOT.jar:?] at org.bukkit.craftbukkit.v1_20_R1.CraftServer.dispatchCommand(CraftServer.java:987) ~[paper-1.20.1.jar:git-Paper-196] at org.bukkit.craftbukkit.v1_20_R1.command.BukkitCommandWrapper.run(BukkitCommandWrapper.java:64) ~[paper-1.20.1.jar:git-Paper-196] at com.mojang.brigadier.CommandDispatcher.execute(CommandDispatcher.java:265) ~[paper-1.20.1.jar:?] at net.minecraft.commands.Commands.performCommand(Commands.java:324) ~[?:?] at net.minecraft.commands.Commands.performCommand(Commands.java:308) ~[?:?] at net.minecraft.server.network.ServerGamePacketListenerImpl.performChatCommand(ServerGamePacketListenerImpl.java:2354) ~[?:?] at net.minecraft.server.network.ServerGamePacketListenerImpl.lambda$handleChatCommand$21(ServerGamePacketListenerImpl.java:2314) ~[?:?] at net.minecraft.util.thread.BlockableEventLoop.lambda$submitAsync$0(BlockableEventLoop.java:59) ~[?:?] at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1768) ~[?:?] at net.minecraft.server.TickTask.run(TickTask.java:18) ~[paper-1.20.1.jar:git-Paper-196] at net.minecraft.util.thread.BlockableEventLoop.doRunTask(BlockableEventLoop.java:153) ~[?:?] at net.minecraft.util.thread.ReentrantBlockableEventLoop.doRunTask(ReentrantBlockableEventLoop.java:24) ~[?:?] at net.minecraft.server.MinecraftServer.doRunTask(MinecraftServer.java:1338) ~[paper-1.20.1.jar:git-Paper-196] at net.minecraft.server.MinecraftServer.d(MinecraftServer.java:197) ~[paper-1.20.1.jar:git-Paper-196] at net.minecraft.util.thread.BlockableEventLoop.pollTask(BlockableEventLoop.java:126) ~[?:?] at net.minecraft.server.MinecraftServer.pollTaskInternal(MinecraftServer.java:1315) ~[paper-1.20.1.jar:git-Paper-196] at net.minecraft.server.MinecraftServer.pollTask(MinecraftServer.java:1308) ~[paper-1.20.1.jar:git-Paper-196] at net.minecraft.util.thread.BlockableEventLoop.managedBlock(BlockableEventLoop.java:136) ~[?:?] at net.minecraft.server.MinecraftServer.waitUntilNextTick(MinecraftServer.java:1286) ~[paper-1.20.1.jar:git-Paper-196] at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1174) ~[paper-1.20.1.jar:git-Paper-196] at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:317) ~[paper-1.20.1.jar:git-Paper-196] at java.lang.Thread.run(Thread.java:842) ~[?:?] Caused by: java.lang.NullPointerException: Cannot invoke "org.bukkit.entity.Player.getUniqueId()" because "player" is null at net.playavalon.mythicdungeons.MythicDungeons.getMythicPlayer(MythicDungeons.java:604) ~[MythicDungeons-1.3.0-SNAPSHOT (2).jar:?] at net.playavalon.mythicdungeons.managers.PartyProviderManager.updatePartyPlayers(PartyProviderManager.java:67) ~[MythicDungeons-1.3.0-SNAPSHOT (2).jar:?] at net.playavalon.mythicdungeons.player.MythicPlayer.getDungeonParty(MythicPlayer.java:344) ~[MythicDungeons-1.3.0-SNAPSHOT (2).jar:?] at net.playavalon.mythicdungeons.MythicDungeons.sendToDungeon(MythicDungeons.java:615) ~[MythicDungeons-1.3.0-SNAPSHOT (2).jar:?] at net.playavalon.mythicdungeons.commands.dungeon.MythicDungeonsCommand.handlePlayCommand(MythicDungeonsCommand.java:1221) ~[MythicDungeons-1.3.0-SNAPSHOT (2).jar:?] at net.playavalon.mythicdungeons.commands.dungeon.MythicDungeonsCommand.onCommand(MythicDungeonsCommand.java:51) ~[MythicDungeons-1.3.0-SNAPSHOT (2).jar:?] at net.playavalon.mythicdungeons.commands.Command.onCommand(Command.java:39) ~[MythicDungeons-1.3.0-SNAPSHOT (2).jar:?] at org.bukkit.command.PluginCommand.execute(PluginCommand.java:45) ~[paper-api-1.20.1-R0.1-SNAPSHOT.jar:?] ... 23 more

Hey there. This should be fixed now as of the latest builds and release version.