server version: 1.16.5 purpur
plugin version: 1.9.9R3

Happend for some random reason idk why
bug:
[17:08:22 WARN]: [PowerRanks] Task #6 for PowerRanks v1.9.9R3 generated an exception
java.lang.NullPointerException: Cannot invoke "java.lang.Long.intValue()" because the return value of "nl.svenar.PowerRanks.Cache.CachedPlayers.getLong(String)" is null
at nl.svenar.PowerRanks.PowerRanks.updatePlaytime(PowerRanks.java:952) ~[?:?]
at nl.svenar.PowerRanks.PowerRanks$3.run(PowerRanks.java:355) ~[?:?]
at org.bukkit.craftbukkit.v1_16_R3.scheduler.CraftTask.run(CraftTask.java:100) ~[patched_1.16.5.jar:git-Purpur-1171]
at org.bukkit.craftbukkit.v1_16_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:468) ~[patched_1.16.5.jar:git-Purpur-1171]
at net.minecraft.server.v1_16_R3.MinecraftServer.b(MinecraftServer.java:1503) ~[patched_1.16.5.jar:git-Purpur-1171]
at net.minecraft.server.v1_16_R3.DedicatedServer.b(DedicatedServer.java:449) ~[patched_1.16.5.jar:git-Purpur-1171]
at net.minecraft.server.v1_16_R3.MinecraftServer.a(MinecraftServer.java:1416) ~[patched_1.16.5.jar:git-Purpur-1171]
at net.minecraft.server.v1_16_R3.MinecraftServer.w(MinecraftServer.java:1142) ~[patched_1.16.5.jar:git-Purpur-1171]
at net.minecraft.server.v1_16_R3.MinecraftServer.lambda$a$0(MinecraftServer.java:293) ~[patched_1.16.5.jar:git-Purpur-1171]

Send the ranks.yml, config.yml, and plugin list please

config.yml

general:
disable-op: false
playtime-update-interval: 5
chat:
enabled: true
format: '&r %clans_clan_tag% [prefix] [subprefix] [player] [subsuffix] [suffix]&r:
[msg]'
tablist_modification:
enabled: true
format: '&r %clans_clan_tag% [prefix] [subprefix] [player] [subsuffix] [suffix]'
nametagedit:
prefix: '[usertag] [prefix] [subprefix]'
suffix: '[subsuffix] [suffix]'
signs:
enabled: true
title_format: '&0[&b%plugin_name%&0]'
plugin_hook:
vault_economy: true
vault_permissions: true
placeholderapi: true
deluxetags: false
nametagedit: true
announcements:
rankup:
enabled: false
format: '[powerranks_prefix] &6[player]''s rank has been changed to [rank]'
promote:
enabled: false
format: '[powerranks_prefix] &6[player] has been promoted to [rank]'
demote:
enabled: false
format: '[powerranks_prefix] &6[player] has been demoted to [rank]'
updates:
enable_update_checking: true
automatic_download_updates: false
automatic_update_config_files: true
addon_manager:
accepted_terms: false
rankup:
buy_command:
enabled: false
command: say %playername% just bought the rank %rankname%
version: 1.9.93

ranks.yml
Default: Member
Usertags: ''
Groups:
Member:
permissions:
- essentials.back
- essentials.back.into.world
- essentials.back.into.spawn
- essentials.afk
- essentials.afk.auto
- essentials.balance
- essentials.balance.others
- essentials.exp
- essentials.home.bed
- essentials.list
- essentials.motd
- essentials.msg
- essentials.msgtoggle
- essentials.pay
- essentials.payconfirmtoggle
- essentials.paytoggle
- essentials.rtoggle
- essentials.sethome
- essentials.sethome.bed
- essentials.showkit
- essentials.time
- essentials.tpa
- essentials.tpacancel
- essentials.tpaccept
- essentials.tpahere
- essentials.tpdeny
- essentials.warp
- essentials.warp.list
- essentials.tptoggle
- essentials.spawn
- essentials.back.onteleport
- essentials.back.ondeath
- essentials.suicide
- essentials.back.into.DIM1
- essentials.back.into.DIM-1
- essentials.info
- clans.create
- clans.invite
- clans.accept
- clans.kick
- clans.stats
- clans.topstats
- clans.base
- clans.setbase
- clans.leave
- clans.delete
- clans.list
- auctionhouse.cancel
- auctionhouse.use
- auctionhouse.menu
- auctionhouse.search
- auctionhouse.help
- auctionhouse.sell
- auctionhouse.list
- auctionhouse.ulist
- auctionhouse.selling
- auctionhouse.sold
- auctionhouse.expired
- auctionhouse.return
- auctionhouse.auctions.5
- protectionstones.create
- protectionstones.get
- protectionstones.destroy
- protectionstones.merge
- protectionstones.unclaim
- protectionstones.view
- protectionstones.info
- protectionstones.info.others
- protectionstones.count
- protectionstones.list
- protectionstones.home
- protectionstones.sethome
- protectionstones.name
- protectionstones.owners
- protectionstones.members
- protectionstones.flags
- protectionstones.buysell
- protectionstones.limit.4
- skinsrestorer.command
- skinsrestorer.command.set
- skinsrestorer.command.gui
- skinsrestorer.command.clear
- skinsrestorer.command.update
- trade.player
- tradesystem.trade.initiate
- tradesystem.trade
- clans.chat
- clans.togglechat
- clans.show
- essentials.balancetop
- essentials.rules
- betterrtp.use
- betterrtp.world.world
- essentials.home
- jobs.use
- goldencrates.user
- essentials.back.into.world_the_end
- essentials.back.into.world_nether
- essentials.back.into.Spawn
- playerkits.kit.inicial
- betterrtp.world
inheritance: []
chat:
prefix: '&3Miembro &8➤'
suffix: ''
chatColor: '&f'
nameColor: '&f'
level:
promote: ''
demote: ''
economy:
buyable: []
cost: 0
description: ''
gui:
icon: stick
Moderator:
permissions:
- essentials.ban
- essentials.ban.exempt
- essentials.unban
- essentials.tempban
- essentials.ban.notify
- essentials.banip.notify
- essentials.afk.kickexempt
- essentials.kick
- essentials.kick.exempt
- essentials.kick.notify
- essentials.kickall.exempt
- essentials.tp
- essentials.tp.others
- essentials.tpoffline
- essentials.tpo
- essentials.tptoggle
- essentials.socialspy
- essentials.vanish
- essentials.silentjoin.vanish
- essentials.gamemode.spectator
- essentials.gamemode.survival
- essentials.gamemode
- essentials.fly
- essentials.speed.fly
- essentials.speed
- essentials.nick
- essentials.nick.color
- essentials.nick.format
- fakelogin.fakejoin
- fakelogin.fakeleave
inheritance:
- Member
- Vip
chat:
prefix: '&6Mod &8➤'
suffix: ''
chatColor: '&b'
nameColor: '&f'
level:
promote: Admin
demote: ''
economy:
buyable: []
cost: 0
description: ''
gui:
icon: stone
Admin:
permissions:
- ''
inheritance: []
chat:
prefix: '&aAdmin &8➤'
suffix: ''
chatColor: '&b'
nameColor: '&f'
level:
promote: Owner
demote: Moderator
economy:
buyable: []
cost: 0
description: ''
gui:
icon: redstone
Owner:
permissions:
- ''
- enchantmentsolution.command.enchant
- essentials.silentjoin
- essentials.silentquit
inheritance: []
chat:
prefix: '&cDueño &8➤'
suffix: ''
chatColor: '&b'
nameColor: '&f'
level:
promote: ''
demote: Admin
economy:
buyable: []
cost: 0
description: ''
gui:
icon: diamond
Vip:
permissions:
- tim.vip
- playerkits.kit.vip
- playerkits.kit.dailykey
- essentials.nick
- essentials.rgb
- essentials.nick.color
- essentials.teleport.cooldown.bypass.back
- essentials.teleport.cooldown.bypass.tpa
- skinsrestorer.bypasscooldown
- essentials.enderchest
- essentials.recipe
- essentials.smithingtable
- essentials.cartographytable
- essentials.craft
- betterrtp.biome
- essentials.hat
- essentials.me
- essentials.msg.color
- essentials.msg.rgb
- essentials.signs.color
- essentials.signs.rgb
- essentials.signs.magic
- essentials.chat.color
- auctionhouse.auctions.20
- protectionstones.limit.10
- essentials.grindstone
- essentials.loom
- essentials.stonecutter
- essentials.anvil
inheritance:
- Member
chat:
prefix: '&2Vip &8➤'
suffix: ''
chatColor: '&f'
nameColor: '&f'
level:
promote: ''
demote: ''
economy:
buyable: []
cost: 0
gui:
icon: stone
'null':
permissions: []
inheritance: []
version: 1.9.93

I can't send the files so i send all the text