Could not pass event EntityDamageByEntityEvent to UltraRegions v1.7.3

Console
19:40:17

java.lang.NullPointerException: Cannot invoke "java.util.ArrayList.contains(Object)" because the return value of "me.TechsCode.UltraRegions.flags.calculator.Result.getEntities()" is null
at me.TechsCode.UltraRegions.flags.autoload.PlayerVersusEntityFlag.pve(PlayerVersusEntityFlag.java:65) ~[UltraRegions.jar:?]
at com.destroystokyo.paper.event.executor.asm.generated.GeneratedEventExecutor107.execute(Unknown Source) ~[?:?]
at org.bukkit.plugin.EventExecutor.lambda$create$1(EventExecutor.java:75) ~[purpur-api-1.19.2-R0.1-SNAPSHOT.jar:?]
at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:76) ~[purpur-api-1.19.2-R0.1-SNAPSHOT.jar:git-Purpur-1765]
at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70) ~[purpur-api-1.19.2-R0.1-SNAPSHOT.jar:?]
at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:678) ~[purpur-api-1.19.2-R0.1-SNAPSHOT.jar:?]
at org.bukkit.craftbukkit.v1_19_R1.event.CraftEventFactory.callEvent(CraftEventFactory.java:248) ~[purpur-1.19.2.jar:git-Purpur-1765]
at org.bukkit.craftbukkit.v1_19_R1.event.CraftEventFactory.callEntityDamageEvent(CraftEventFactory.java:1172) ~[purpur-1.19.2.jar:git-Purpur-1765]
at org.bukkit.craftbukkit.v1_19_R1.event.CraftEventFactory.handleEntityDamageEvent(CraftEventFactory.java:1021) ~[purpur-1.19.2.jar:git-Purpur-1765]
at org.bukkit.craftbukkit.v1_19_R1.event.CraftEventFactory.handleEntityDamageEvent(CraftEventFactory.java:972) ~[purpur-1.19.2.jar:git-Purpur-1765]
at org.bukkit.craftbukkit.v1_19_R1.event.CraftEventFactory.handleLivingEntityDamageEvent(CraftEventFactory.java:1206) ~[purpur-1.19.2.jar:git-Purpur-1765]
at net.minecraft.world.entity.LivingEntity.damageEntity0(LivingEntity.java:2166) ~[?:?]
at net.minecraft.world.entity.LivingEntity.hurt(LivingEntity.java:1409) ~[?:?]
at net.minecraft.world.entity.raid.Raider.hurt(Raider.java:292) ~[?:?]
at net.minecraft.world.entity.player.Player.attack(Player.java:1363) ~[?:?]
at net.minecraft.server.level.ServerPlayer.attack(ServerPlayer.java:2176) ~[?:?]
at net.minecraft.server.network.ServerGamePacketListenerImpl$6.a(ServerGamePacketListenerImpl.java:3086) ~[?:?]
at net.minecraft.network.protocol.game.ServerboundInteractPacket$1.dispatch(ServerboundInteractPacket.java:24) ~[?:?]
at net.minecraft.network.protocol.game.ServerboundInteractPacket.dispatch(ServerboundInteractPacket.java:80) ~[?:?]
at net.minecraft.server.network.ServerGamePacketListenerImpl.handleInteract(ServerGamePacketListenerImpl.java:3006) ~[?:?]
at net.minecraft.network.protocol.game.ServerboundInteractPacket.handle(ServerboundInteractPacket.java:67) ~[?:?]
at net.minecraft.network.protocol.game.ServerboundInteractPacket.handle(ServerboundInteractPacket.java:12) ~[?:?]
at net.minecraft.network.protocol.PacketUtils.lambda$ensureRunningOnSameThread$0(PacketUtils.java:51) ~[?:?]
at net.minecraft.server.TickTask.run(TickTask.java:18) ~[purpur-1.19.2.jar:git-Purpur-1765]
at net.minecraft.util.thread.BlockableEventLoop.doRunTask(BlockableEventLoop.java:153) ~[?:?]
at net.minecraft.util.thread.ReentrantBlockableEventLoop.doRunTask(ReentrantBlockableEventLoop.java:24) ~[?:?]
at net.minecraft.server.MinecraftServer.doRunTask(MinecraftServer.java:1388) ~[purpur-1.19.2.jar:git-Purpur-1765]
at net.minecraft.server.MinecraftServer.d(MinecraftServer.java:185) ~[purpur-1.19.2.jar:git-Purpur-1765]
at net.minecraft.util.thread.BlockableEventLoop.pollTask(BlockableEventLoop.java:126) ~[?:?]
at net.minecraft.server.MinecraftServer.pollTaskInternal(MinecraftServer.java:1365) ~[purpur-1.19.2.jar:git-Purpur-1765]
at net.minecraft.server.MinecraftServer.pollTask(MinecraftServer.java:1358) ~[purpur-1.19.2.jar:git-Purpur-1765]
at net.minecraft.util.thread.BlockableEventLoop.managedBlock(BlockableEventLoop.java:136) ~[?:?]
at net.minecraft.server.MinecraftServer.tickServer(MinecraftServer.java:1436) ~[purpur-1.19.2.jar:git-Purpur-1765]
at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1214) ~[purpur-1.19.2.jar:git-Purpur-1765]
at net.minecraft.server.MinecraftServer.lambda$spin$1(MinecraftServer.java:310) ~[purpur-1.19.2.jar:git-Purpur-1765]
at java.lang.Thread.run(Thread.java:833) ~[?:?]