java.lang.NullPointerException: Cannot invoke "org.bukkit.inventory.meta.ItemMeta.getDisplayName()" because "<local7>" is null
at de.marcely.bedwars.aj$a.x(ArenaEditorPage.java:698) ~[MBedwars-5.2.5 (1).jar:?]
at de.marcely.bedwars.aj$a.y(ArenaEditorPage.java:625) ~[MBedwars-5.2.5 (1).jar:?]
at org.bukkit.craftbukkit.v1_19_R3.scheduler.CraftTask.run(CraftTask.java:101) ~[paper-1.19.4.jar:git-Paper-484]
at org.bukkit.craftbukkit.v1_19_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:483) ~[paper-1.19.4.jar:git-Paper-484]
at net.minecraft.server.MinecraftServer.tickChildren(MinecraftServer.java:1483) ~[paper-1.19.4.jar:git-Paper-484]
at net.minecraft.server.dedicated.DedicatedServer.tickChildren(DedicatedServer.java:447) ~[paper-1.19.4.jar:git-Paper-484]
at net.minecraft.server.MinecraftServer.tickServer(MinecraftServer.java:1397) ~[paper-1.19.4.jar:git-Paper-484]
at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1174) ~[paper-1.19.4.jar:git-Paper-484]
at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:320) ~[paper-1.19.4.jar:git-Paper-484]
at java.lang.Thread.run(Thread.java:833) ~[?:?]