2 drops from 1 Supply Signal

Hello iam getting problem my players always get 2 drops from 1 supply signal, i dont use any loot deffender or other plugins. First drop from supply signal came with settings from config and the second is vrom vanilla settings

{
  "Debug": {
    "Enable Debugging to Console": false
  },
  "General Settings": {
    "Admin messages color": "#c0c0c0",
    "AuthLevel needed for console commands": 1,
    "Broadcast messages color": "#ffffff",
    "Chat/Message prefix": "",
    "Prefix color": "#00ffff",
    "Prefix format": "<size=12><color={0}>{1}</color>: ",
    "GUI Announce command": "announce",
    "Show message to admin after command usage": true,
    "Time for active smoke of SupplySignal (default is 210)": 20.0,
    "Lock DirectDrop to be looted only by target player": true,
    "Lock SignalDrop to be looted only by target player": true,
    "Unlock crates only after player stopped looting": false
  },
  "Airdrop & General Plane Settings": {
    "Default radius for location based massdrop": 100.0,
    "Delay between Massdrop plane spawns": 0.66,
    "Massdrop default plane amount": 5,
    "Multiplier for (plane height * highest point on Map); Default 1.0": 1.0,
    "Multiplier for overall flight distance; lower means faster at map": 1.25,
    "Disable SupplySignal randomization": false,
    "Visual & Sound Effects Settings": {
      "Use Explosion Sound Effect when hits ground position": false,
      "Deploy Smoke on drop as it falls": false,
      "Deploy with Audio Alarm on drop": false,
      "Deploy with Audio Alarms on drop only during the night": false,
      "Deploy with Spinning Siren Light on drop": false,
      "Deploy with Spinning Siren Light on drop only during the night": false,
      "Enable Rocket Signal upon Supply Drop Landing": false,
      "Signal rocket speed": 15.0,
      "Signal rocket explosion timer": 15.0
    },
    "Space Delivery Drop Settings": {
      "Incoming Space Delivery Supply Drop velocity": 120.0,
      "Parachute deploy distance from ground": 50.0
    }
  },
  "Allow Damage Airdrop Settings": {
    "Players can shoot down the drop": true,
    "Players can shoot down the drop - needed hits": 3,
    "Set Angular Drag for drop": 0.1,
    "Set Drag for drop (drop resistance)": 0.3,
    "Set drop allow to explode on impact": true,
    "Set drop chance exploding on impact (x out of 100)": 25,
    "Set Mass weight for drop": 0.75
  },
  "Notification Settings": {
    "Maximum distance in meters to get notified about landed Drop": 1000.0,
    "Maximum distance in meters to get notified about looted Drop": 1000.0,
    "Notify a player about incoming Drop to his location": true,
    "Notify a player about spawned Drop at his location": true,
    "Notify a player about Space Delivery Drop at his location": true,
    "Notify admins per chat about player who has thrown SupplySignal": false,
    "Notify console at Drop by SupplySignal": true,
    "Notify console at timed-regular Drop": true,
    "Notify console when a Drop is being looted": true,
    "Notify console when Drop is landed": false,
    "Notify console when Drop is spawned": false,
    "Notify console when Drop landed/spawned only at the first": true,
    "Notify players at custom/event Drop": true,
    "Notify players at custom/event Drop including Coords": false,
    "Notify players at custom/event Drop including Grid Area": false,
    "Notify players at Drop by SupplySignal": false,
    "Notify players at Drop by SupplySignal including Coords": false,
    "Notify players at Drop by SupplySignal including Grid Area": false,
    "Notify players at Massdrop": true,
    "Notify players at Random/Timed Drop": true,
    "Notify players at Random/Timed Drop including Coords": false,
    "Notify players at Random/Timed Drop including Grid Area": false,
    "Notify players when a Drop is being looted": false,
    "Notify players when a Drop is being looted including coords": false,
    "Notify players when a Drop is being looted including Grid Area": false,
    "Notify players when Drop is landed about distance": false,
    "Notify Players who has thrown a SupplySignal": false,
    "Notify Players who has thrown a SupplySignal including coords": false,
    "Notify Players who has thrown a SupplySignal including Grid Area": false,
    "Use GUI Announcements for any Drop notification": false
  },
  "SimpleUI": {
    "SimpleUI_Enable": false,
    "SimpleUI_FontSize": 25,
    "SimpleUI_HideTimer": 10.0,
    "SimpleUI_NoticeColor": "1 1 1 0.9",
    "SimpleUI_ShadowColor": "0.1 0.1 0.1 0.5",
    "SimpleUI_Top": 0.05,
    "SimpleUI_Left": 0.1,
    "SimpleUI_MaxWidth": 0.8,
    "SimpleUI_MaxHeight": 0.1
  },
  "Timer - Random Event": {
    "Use Airdrop timer": true,
    "Used Airdrop timer command": "random",
    "Minimum players for timed Drop": 1,
    "Minimum minutes for random timer delay": 30,
    "Maximum minutes for random timer delay": 60,
    "Reset Timer after manual random drop": false,
    "Remove builtIn Airdrop": true,
    "Cleanup old Drops at serverstart": true
  },
  "Timers- System Timers": {
    "Log to console": true,
    "Minimum players for running Timers": 0,
    "Use RealTime": false,
    "RealTime": {
      "16:00": "ad.massdrop 3",
      "18:00": "ad.toplayer *"
    },
    "Use ServerTime": false,
    "ServerTime": {
      "6": "ad.massdrop 3",
      "18": "ad.massdropto 0 0 5 100"
    }
  },
  "Drop Settings": {
    "DropDefault": {
      "minCrates": 1,
      "maxCrates": 1,
      "cratesGap": 50,
      "despawnMinutes": 15,
      "crateAirResistance": 2.0,
      "useCustomLootTable": false,
      "CustomLootListName": "regular",
      "planeSpeed": 35,
      "additionalheight": 0
    },
    "DropTypes": {
      "regular": {
        "minCrates": 1,
        "maxCrates": 1,
        "cratesGap": 50,
        "despawnMinutes": 15,
        "crateAirResistance": 2.0,
        "useCustomLootTable": false,
        "CustomLootListName": "regular",
        "planeSpeed": 35,
        "additionalheight": 0
      },
      "supplysignal": {
        "minCrates": 1,
        "maxCrates": 1,
        "cratesGap": 50,
        "despawnMinutes": 15,
        "crateAirResistance": 0.5,
        "useCustomLootTable": false,
        "CustomLootListName": "supplysignal",
        "planeSpeed": 1000,
        "additionalheight": 0
      },
      "massdrop": {
        "minCrates": 1,
        "maxCrates": 1,
        "cratesGap": 50,
        "despawnMinutes": 15,
        "crateAirResistance": 2.0,
        "useCustomLootTable": false,
        "CustomLootListName": "massdrop",
        "planeSpeed": 45,
        "additionalheight": 0
      },
      "dropdirect": {
        "minCrates": 1,
        "maxCrates": 1,
        "cratesGap": 50,
        "despawnMinutes": 15,
        "crateAirResistance": 2.0,
        "useCustomLootTable": false,
        "CustomLootListName": "dropdirect",
        "planeSpeed": 65,
        "additionalheight": 0
      },
      "custom_event": {
        "minCrates": 1,
        "maxCrates": 1,
        "cratesGap": 50,
        "despawnMinutes": 15,
        "crateAirResistance": 2.0,
        "useCustomLootTable": false,
        "CustomLootListName": "custom_event",
        "planeSpeed": 95,
        "additionalheight": 0,
        "notificationInfo": "Custom Stuff"
      }
    }
  },
  "Custom Loot Items": {
    "DropTypes": [
      {
        "DropType Name": "regular",
        "Minimum amount of items to spawn": 2,
        "Maximum amount of items to spawn": 6,
        "Custom Loot Contents": [
          {
            "Shortname": "metalspring",
            "Minimum amount of item": 2,
            "Maximum amount of item": 6,
            "Skin ID": 0,
            "Display Name": null
          },
          {
            "Shortname": "mining.quarry",
            "Minimum amount of item": 1,
            "Maximum amount of item": 2,
            "Skin ID": 0,
            "Display Name": null
          }
        ]
      },
      {
        "DropType Name": "massdrop",
        "Minimum amount of items to spawn": 2,
        "Maximum amount of items to spawn": 6,
        "Custom Loot Contents": [
          {
            "Shortname": "metalpipe",
            "Minimum amount of item": 1,
            "Maximum amount of item": 2,
            "Skin ID": 0,
            "Display Name": null
          },
          {
            "Shortname": "pistol.revolver",
            "Minimum amount of item": 1,
            "Maximum amount of item": 1,
            "Skin ID": 0,
            "Display Name": null
          }
        ]
      },
      {
        "DropType Name": "dropdirect",
        "Minimum amount of items to spawn": 2,
        "Maximum amount of items to spawn": 6,
        "Custom Loot Contents": [
          {
            "Shortname": "syringe.medical",
            "Minimum amount of item": 2,
            "Maximum amount of item": 6,
            "Skin ID": 0,
            "Display Name": null
          },
          {
            "Shortname": "largemedkit",
            "Minimum amount of item": 1,
            "Maximum amount of item": 2,
            "Skin ID": 0,
            "Display Name": null
          }
        ]
      },
      {
        "DropType Name": "supplysignal",
        "Minimum amount of items to spawn": 2,
        "Maximum amount of items to spawn": 6,
        "Custom Loot Contents": [
          {
            "Shortname": "metal.fragments",
            "Minimum amount of item": 1,
            "Maximum amount of item": 4,
            "Skin ID": 0,
            "Display Name": null
          },
          {
            "Shortname": "metal.facemask",
            "Minimum amount of item": 1,
            "Maximum amount of item": 1,
            "Skin ID": 0,
            "Display Name": null
          }
        ]
      },
      {
        "DropType Name": "custom_event",
        "Minimum amount of items to spawn": 2,
        "Maximum amount of items to spawn": 6,
        "Custom Loot Contents": [
          {
            "Shortname": "fish.cooked",
            "Minimum amount of item": 2,
            "Maximum amount of item": 6,
            "Skin ID": 0,
            "Display Name": null
          },
          {
            "Shortname": "metal.plate.torso",
            "Minimum amount of item": 1,
            "Maximum amount of item": 1,
            "Skin ID": 0,
            "Display Name": null
          }
        ]
      }
    ]
  },
  "Version": {
    "Major": 3,
    "Minor": 2,
    "Patch": 2
  }
}​

I have the same problem