"java.lang.ArithmeticException: / by zero" error on log about chestshop-3

[Phoenix616]

Can you please provide some more information like your shop setup, your config and how you buy/sell from the shop (e.g. with sneak click or normal?) because this should only be able to occur if it is trying to sell an air block?

[TheDGOfficial]

My config:
`TURN_OFF_UPDATES: true
#Do you want to turn off the automatic updates of ChestShop?

SHOP_INTERACTION_INTERVAL: 1000
#(In 1/1000th of a second) How often can a player use the shop sign?
IGNORE_CREATIVE_MODE: true
#Do you want to allow using shops to people in creative mode?
REVERSE_BUTTONS: false
#If true, people will buy with left-click and sell with right-click.
SHIFT_SELLS_IN_STACKS: true
#If true, people will be able to buy/sell in 64 stacks while holding the crouch button.
SHIFT_ALLOWS: "ALL"
#What can you do by clicking shift with SHIFT_SELLS_IN_STACKS turned on? (ALL/BUY/SELL)
ALLOW_SIGN_CHEST_OPEN: true
#Can shop's chest be opened by owner with right-clicking a shop's sign?
ALLOW_LEFT_CLICK_DESTROYING: true
#If true, when you left-click your own shop sign you won't open chest's inventory, but instead you will start destroying the sign.

REMOVE_EMPTY_SHOPS: false
#If true, if the shop is empty, the sign is destroyed and put into the chest, so the shop isn't usable anymore.
REMOVE_EMPTY_CHESTS: false
#If true, if the REMOVE_EMPTY_SHOPS option is turned on, the chest is also destroyed.

ADMIN_SHOP_NAME: "Market"
#First line of your Admin Shop's sign should look like this:
SERVER_ECONOMY_ACCOUNT: ""
#The economy account which Admin Shops should use and to which all taxes will go
TAX_AMOUNT: 0
#Percent of the price that should go to the server's account. (100 = 100 percent)
SERVER_TAX_AMOUNT: 0
#Percent of the price that should go to the server's account when buying from an Admin Shop.
SHOP_CREATION_PRICE: 0.0
#Amount of money player must pay to create a shop
SHOP_REFUND_PRICE: 0.0
#How much money do you get back when destroying a sign?

BLOCK_SHOPS_WITH_SELL_PRICE_HIGHER_THAN_BUY_PRICE: true
#Should we block shops that sell things for more than they buy? (This prevents newbies from creating shops that would be exploited)

ALLOW_MULTIPLE_SHOPS_AT_ONE_BLOCK: false
#Do you want to allow other players to build a shop on a block where there's one already?
ALLOW_PARTIAL_TRANSACTIONS: true
#Can shops be used even when the seller doesn't have enough items? (The price will be scaled adequatly to the item amount)
ALLOW_AUTO_ITEM_FILL: true
#Can '?' be put in place of item name in order for the sign to be auto-filled?

SHOW_MESSAGE_OUT_OF_STOCK: true
#Do you want to show "Out of stock" messages?
SHOW_TRANSACTION_INFORMATION_CLIENT: true
#Do you want to show "You bought/sold... " messages?
SHOW_TRANSACTION_INFORMATION_OWNER: true
#Do you want to show "Somebody bought/sold... " messages?

LOG_TO_FILE: false
#If true, plugin will log transactions in its own file
LOG_TO_CONSOLE: false
#Do you want ChestShop's messages to show up in console?

STACK_TO_64: false
#Do you want to stack all items up to 64 item stacks?
USE_BUILT_IN_PROTECTION: true
#Do you want to use built-in protection against chest destruction?
STICK_SIGNS_TO_CHESTS: true
#Do you want to have shop signs "stick" to chests?
TURN_OFF_DEFAULT_PROTECTION_WHEN_PROTECTED_EXTERNALLY: false
#EXPERIMENTAL: Do you want to turn off the default protection when another plugin is protecting the block? (Will leave the chest visually open - CraftBukkit bug!)
TURN_OFF_SIGN_PROTECTION: false
#Do you want to turn off the default sign protection? Warning! Other players will be able to destroy other people's shops!
TURN_OFF_HOPPER_PROTECTION: false
#Do you want to disable the hopper protection, which prevents the hoppers from taking items out of chests?
PROTECT_CHEST_WITH_LWC: false
#Do you want to protect shop chests with LWC?
PROTECT_SIGN_WITH_LWC: false
#Do you want to protect shop signs with LWC?
REMOVE_LWC_PROTECTION_AUTOMATICALLY: false
#Should the chest's LWC protection be removed once the shop sign is destroyed?

WORLDGUARD_INTEGRATION: false
#Do you want to only let people build inside regions?
WORLDGUARD_USE_FLAG: false
#Do you want to only let poeple build inside region flagged by doing /region regionName flag chestshop allow?
WORLDGUARD_USE_PROTECTION: false
#Do you want ChestShop to respect WorldGuard's chest protection?

HEROES_EXP: 0.0
#How much Heroes exp should people get for creating a ChestShop?

BANK_MEMBERS_ALLOWED: false
#Whether bank account members (if available) can create shops on its behalf
BANK_TAX_AMOUNT: 0
#Percent of the price that should go to the server's account when buying from a bank.
LOG_TO_DATABASE: false
#If true, plugin will log transactions in EBean database
RECORD_TIME_TO_LIVE: 1000
#How long should transaction information be stored in the database (in seconds, -1 means forever)?

GENERATE_STATISTICS_PAGE: false
#If true, plugin will generate shop statistics webpage.
STATISTICS_PAGE_PATH: "plugins/ChestShop/website.html"
#Where should your generated website be saved?
STATISTICS_PAGE_GENERATION_INTERVAL: 600
#How often should the website be generated?

CACHE_SIZE: 30000
#How large should the internal uuid and name caches be?
SHOW_MESSAGE_FULL_SHOP: true
#Do you want to show "Full shop" messages?

CSTOGGLE_TOGGLES_OUT_OF_STOCK: true
#Can players hide the "Out of stock" messages with /cstoggle?
CSTOGGLE_TOGGLES_FULL_SHOP: true
#Can players hide the "Full shop" messages with /cstoggle?

AUTHME_HOOK: true
#Do you want to deny shop access to unlogged users?
AUTHME_ALLOW_UNREGISTERED: false
#Do you want to allow shop access to unregistered users? (Example: registration is optional)

`

[TheDGOfficial]

I restarted my server and made some changes on config but error is still throwing:

[10:00:42] [Server thread/ERROR]: Could not pass event PlayerInteractEvent to ChestShop v3.8.13-SNAPSHOT (build #40) org.bukkit.event.EventException at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:302) ~[PaperSpigot.jar:git-PaperSpigot-1f7d532] at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[PaperSpigot.jar:git-PaperSpigot-1f7d532] at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:509) [PaperSpigot.jar:git-PaperSpigot-1f7d532] at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:494) [PaperSpigot.jar:git-PaperSpigot-1f7d532] at org.bukkit.craftbukkit.v1_7_R4.event.CraftEventFactory.callPlayerInteractEvent(CraftEventFactory.java:242) [PaperSpigot.jar:git-PaperSpigot-1f7d532] at net.minecraft.server.v1_7_R4.PlayerInteractManager.interact(PlayerInteractManager.java:382) [PaperSpigot.jar:git-PaperSpigot-1f7d532] at net.minecraft.server.v1_7_R4.PlayerConnection.a(PlayerConnection.java:666) [PaperSpigot.jar:git-PaperSpigot-1f7d532] at net.minecraft.server.v1_7_R4.PacketPlayInBlockPlace.a(PacketPlayInBlockPlace.java:50) [PaperSpigot.jar:git-PaperSpigot-1f7d532] at net.minecraft.server.v1_7_R4.PacketPlayInBlockPlace.handle(PacketPlayInBlockPlace.java:86) [PaperSpigot.jar:git-PaperSpigot-1f7d532] at net.minecraft.server.v1_7_R4.NetworkManager.a(NetworkManager.java:189) [PaperSpigot.jar:git-PaperSpigot-1f7d532] at net.minecraft.server.v1_7_R4.ServerConnection.c(ServerConnection.java:81) [PaperSpigot.jar:git-PaperSpigot-1f7d532] at net.minecraft.server.v1_7_R4.MinecraftServer.v(MinecraftServer.java:795) [PaperSpigot.jar:git-PaperSpigot-1f7d532] at net.minecraft.server.v1_7_R4.DedicatedServer.v(DedicatedServer.java:307) [PaperSpigot.jar:git-PaperSpigot-1f7d532] at net.minecraft.server.v1_7_R4.MinecraftServer.u(MinecraftServer.java:643) [PaperSpigot.jar:git-PaperSpigot-1f7d532] at net.minecraft.server.v1_7_R4.MinecraftServer.run(MinecraftServer.java:549) [PaperSpigot.jar:git-PaperSpigot-1f7d532] at net.minecraft.server.v1_7_R4.ThreadServerApplication.run(SourceFile:628) [PaperSpigot.jar:git-PaperSpigot-1f7d532] Caused by: java.lang.ArithmeticException: / by zero at com.Acrobot.Breeze.Utils.InventoryUtil.getItemsStacked(InventoryUtil.java:318) ~[?:?] at com.Acrobot.ChestShop.Listeners.Player.PlayerInteract.preparePreTransactionEvent(PlayerInteract.java:151) ~[?:?] at com.Acrobot.ChestShop.Listeners.Player.PlayerInteract.onInteract(PlayerInteract.java:95) ~[?:?] at sun.reflect.GeneratedMethodAccessor145.invoke(Unknown Source) ~[?:?] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_144] at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_144] at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:298) ~[PaperSpigot.jar:git-PaperSpigot-1f7d532] ... 15 more

[Phoenix616]

As I said, please provide your shop setup, the shop content and how you interact with it too.

[TheDGOfficial]

I don't know. I seen this error on log. My server is skyblock and my players are using shops too much.