PVP zone Instant Death!

I made a PVP zone on a Island thats on the map and it's no where near Monuments, When players enter PVP zone it's instant death, At first it said radiation was killing them, No it say they freeze to death! Not sure how to fix or what setting I have wrong, Help please?

{
  "Config Version": "1.2.0",
  "Default RuleSet": "default",
  "Configuration Options": {
    "handleDamage": true,
    "useZones": true
  },
  "Mappings": {
    "default": "default",
    "27962380": "pvp"
  },
  "Schedule": {
    "enabled": false,
    "useRealtime": false,
    "broadcast": false,
    "entries": []
  },
  "RuleSets": [{
      "name": "default",
      "enabled": true,
      "defaultAllowDamage": false,
      "flags": "TurretsIgnorePlayers, SamSitesIgnorePlayers, HumanNPCDamage, LockedBoxesImmortal, LockedDoorsImmortal, NoHeliDamage",
      "rules": [
        "anything can hurt dispensers",
        "anything can hurt players",
        "players cannot hurt players",
        "anything can hurt traps",
        "traps cannot hurt players",
        "players can hurt barricades",
        "barricades cannot hurt players",
        "highwalls cannot hurt players",
        "anything can hurt heli",
        "anything can hurt npcs",
        "fire cannot hurt players",
        "anything can hurt resources"
      ]
    },
    {
      "name": "pvp",
      "enabled": true,
      "defaultAllowDamage": true,
      "flags": "HumanNPCDamage, LockedBoxesImmortal, SelfDamage",
      "rules": [
        "anything can hurt players",
        "anything can hurt traps",
        "players can hurt barricades",
        "anything can hurt heli",
        "anything can hurt resources",
        "heli can hurt anything",
        "anything can hurt dispensers",
        "players can hurt players",
        "players can hurt traps",
        "players can hurt teslacoil",
        "players can hurt doors",
        "players can hurt buildings",
        "players can hurt deployables",
        "players can hurt storages",
        "explosives can hurt players",
        "explosives can hurt buildings",
        "explosives can hurt deployables",
        "explosives can hurt storages",
        "traps can hurt players",
        "teslacoil can hurt anything",
        "barricades can hurt players",
        "highwalls can hurt players",
        "fire can hurt players",
        "fire can hurt traps",
        "fire can hurt teslacoil",
        "fire can hurt doors",
        "fire can hurt buildings",
        "fire can hurt deployables",
        "fire can hurt storages",
        "anything can hurt resources"
      ]

    }

  ],
  "Allow Killing Sleepers": false,
  "Entity Groups": [{
      "name": "dispensers",
      "members": "BaseCorpse, HelicopterDebris",
      "exclusions": ""
    },
    {
      "name": "players",
      "members": "BasePlayer",
      "exclusions": ""
    },
    {
      "name": "traps",
      "members": "AutoTurret, BearTrap, FlameTurret, Landmine, GunTrap, ReactiveTarget, spikes.floor",
      "exclusions": ""
    },
    {
      "name": "barricades",
      "members": "Barricade",
      "exclusions": ""
    },
    {
      "name": "highwalls",
      "members": "wall.external.high.stone, wall.external.high.wood, gates.external.high.wood, gates.external.high.wood",
      "exclusions": ""
    },
    {
      "name": "heli",
      "members": "BaseHelicopter",
      "exclusions": ""
    },
    {
      "name": "npcs",
      "members": "NPCPlayerApex, BradleyAPC",
      "exclusions": ""
    },
    {
      "name": "fire",
      "members": "FireBall",
      "exclusions": ""
    },
    {
      "name": "resources",
      "members": "ResourceEntity, TreeEntity, OreResourceEntity",
      "exclusions": ""
    }
  ]
}

fix the zonemanager flags
truepve doesn't kill anyone

I don't understand "fix zonemanager flags"! do you mean something here is wrong?------> "flags": "HumanNPCDamage, LockedBoxesImmortal, SelfDamage",

OMG, I understand what your saying now! you mean the plugin called zone managers flags! and yes I had a flag turned on that said Kill any player that enters! So sorry for this messup, all these plugins confuse me , thanks again for the help on this totally my fualt!

No you have to set the flags to your zonemanager zone.

/zone_edit <zoneid>

type /zone flags

Turn off any flags you have enabled, in your case it sounds like you have the kill flag turned on.

Yes I did, I had a flag turned on called Kill, it was totally my mistake! I was getting confused thinking the True PVE was the cuase!Thanks for the help all!