[07:55:11 ERROR]: null
org.bukkit.command.CommandException: Unhandled exception executing command 'f' in plugin Factions v1.6.9.5-2.3.1-RC
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:47) ~[patched_1.15.2.jar:git-Paper-146]
        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:159) ~[patched_1.15.2.jar:git-Paper-146]
        at org.bukkit.craftbukkit.v1_15_R1.CraftServer.dispatchCommand(CraftServer.java:752) ~[patched_1.15.2.jar:git-Paper-146]
        at net.minecraft.server.v1_15_R1.PlayerConnection.handleCommand(PlayerConnection.java:1825) ~[patched_1.15.2.jar:git-Paper-146]
        at net.minecraft.server.v1_15_R1.PlayerConnection.a(PlayerConnection.java:1633) ~[patched_1.15.2.jar:git-Paper-146]
        at net.minecraft.server.v1_15_R1.PacketPlayInChat.a(PacketPlayInChat.java:47) ~[patched_1.15.2.jar:git-Paper-146]
        at net.minecraft.server.v1_15_R1.PacketPlayInChat.a(PacketPlayInChat.java:5) ~[patched_1.15.2.jar:git-Paper-146]
        at net.minecraft.server.v1_15_R1.PlayerConnectionUtils.lambda$ensureMainThread$0(PlayerConnectionUtils.java:23) ~[patched_1.15.2.jar:git-Paper-146]
        at net.minecraft.server.v1_15_R1.TickTask.run(SourceFile:18) ~[patched_1.15.2.jar:git-Paper-146]
        at net.minecraft.server.v1_15_R1.IAsyncTaskHandler.executeTask(IAsyncTaskHandler.java:136) ~[patched_1.15.2.jar:git-Paper-146]
        at net.minecraft.server.v1_15_R1.IAsyncTaskHandlerReentrant.executeTask(SourceFile:23) ~[patched_1.15.2.jar:git-Paper-146]
        at net.minecraft.server.v1_15_R1.IAsyncTaskHandler.executeNext(IAsyncTaskHandler.java:109) ~[patched_1.15.2.jar:git-Paper-146]
        at net.minecraft.server.v1_15_R1.MinecraftServer.ba(MinecraftServer.java:1038) ~[patched_1.15.2.jar:git-Paper-146]
        at net.minecraft.server.v1_15_R1.MinecraftServer.executeNext(MinecraftServer.java:1031) ~[patched_1.15.2.jar:git-Paper-146]
        at net.minecraft.server.v1_15_R1.IAsyncTaskHandler.awaitTasks(IAsyncTaskHandler.java:119) ~[patched_1.15.2.jar:git-Paper-146]
        at net.minecraft.server.v1_15_R1.MinecraftServer.sleepForTick(MinecraftServer.java:1015) ~[patched_1.15.2.jar:git-Paper-146]
        at net.minecraft.server.v1_15_R1.MinecraftServer.run(MinecraftServer.java:938) ~[patched_1.15.2.jar:git-Paper-146]
        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_242]
Caused by: java.lang.RuntimeException: The operation to load user data for '7a811cdf-ae2d-3bf2-961d-16d3c7e4fb37' was cancelled by LuckPerms. This is NOT a bug.
The lookup request was made on the main server thread. It is not safe to execute a request to
load data for offline players from the database in this context.
If you are a plugin author, please consider making your request asynchronously.
Alternatively, server admins can disable this catch by setting 'vault-unsafe-lookups' to true
in the LP config, but should consider the consequences (lag) before doing so.
        at me.lucko.luckperms.bukkit.vault.LuckPermsVaultPermission.lookupUser(LuckPermsVaultPermission.java:165) ~[?:?]
        at me.lucko.luckperms.bukkit.vault.LuckPermsVaultPermission.userGetPrimaryGroup(LuckPermsVaultPermission.java:271) ~[?:?]
        at me.lucko.luckperms.bukkit.vault.AbstractVaultPermission.getPrimaryGroup(AbstractVaultPermission.java:379) ~[?:?]
        at com.massivecraft.factions.FactionsPlugin.getPrimaryGroup(FactionsPlugin.java:710) ~[?:?]
        at com.massivecraft.factions.zcore.util.TagReplacer.getValue(TagReplacer.java:176) ~[?:?]
        at com.massivecraft.factions.zcore.util.TagUtil.parsePlain(TagUtil.java:50) ~[?:?]
        at com.massivecraft.factions.zcore.util.TagUtil.tipPlayer(TagUtil.java:289) ~[?:?]
        at com.massivecraft.factions.zcore.util.TagUtil.getFancy(TagUtil.java:226) ~[?:?]
        at com.massivecraft.factions.zcore.util.TagUtil.parseFancy(TagUtil.java:94) ~[?:?]
        at com.massivecraft.factions.cmd.CmdShow.perform(CmdShow.java:92) ~[?:?]
        at com.massivecraft.factions.cmd.FCommand.execute(FCommand.java:84) ~[?:?]
        at com.massivecraft.factions.cmd.FCommand.execute(FCommand.java:70) ~[?:?]
        at com.massivecraft.factions.cmd.FCmdRoot.onCommand(FCmdRoot.java:418) ~[?:?]
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:45) ~[patched_1.15.2.jar:git-Paper-146]
        ... 17 more