every time i try to load the plugin with custom loot tables it gives "

Failed to initialize plugin 'GuardedCrate v1.7.1' (JsonSerializationException: Unexpected end when deserializing array. 
Path 'Events[2]', line 198, position 5.) "

My data file is 
{
  "Events": [
    {
      "EventDuration (duration the event will be active for)": 800.0,
      "EventName (event name)": "Easy",
      "AutoHack (enables auto hacking of crates when an event is finished)": true,
      "AutoHackSeconds (countdown for crate to unlock in seconds)": 60.0,
      "LockToPlayer (locks the crate to a player finishing the event)": true,
      "DisplayClan (display clan tag rather than player name)": true,
      "UseKits (use custom kits plugin)": true,
      "Kits (custom kits)": ["eck"],
      "NpcName (custom name)": "Easy Guard",
      "NpcCount (number of guards to spawn)": 6,
      "NpcHealth (health guards spawn with)": 100.0,
      "NpcRoamRadius (npc roam radius)": 10.0,
      "NpcLookRadius (npc look radius)": 100.0,
      "NpcAttackRadius (npc attack radius)": 75.0,
      "CargoSpeed (time cargo plane will drop in seconds)": 120.0,
      "MarkerColor (marker color)": "#32a844",
      "MarkerBorderColor (marker border color)": "#000000",
      "MarkerOpacity (marker opacity)": 0.9,
      "UseLoot (use custom loot table)": true,
      "MaxLootItems (max items to spawn in crate)": 5,
      "CustomLoot (items to spawn in crate)": [
   {
         "Shortname": "rifle.ak",
         "MinAmount": 1,
         "MaxAmount": 1
       },
       {
         "Shortname": "ammo.rocket.basic",
         "MinAmount": 1,
         "MaxAmount": 2
       },
       {
         "Shortname": "explosive.timed",
         "MinAmount": 2,
         "MaxAmount": 4
       },

       {
         "Shortname": "supply.signal",
         "MinAmount": 1,
         "MaxAmount": 1
       },
       {
         "Shortname": "targeting.computer",
         "MinAmount": 1,
         "MaxAmount": 2
       }
    ]
   },
   {
      "EventDuration (duration the event will be active for)": 800.0,
      "EventName (event name)": "Medium",
      "AutoHack (enables auto hacking of crates when an event is finished)": true,
      "AutoHackSeconds (countdown for crate to unlock in seconds)": 60.0,
      "LockToPlayer (locks the crate to a player finishing the event)": true,
      "DisplayClan (display clan tag rather than player name)": true,
      "UseKits (use custom kits plugin)": true,
      "Kits (custom kits)": ["mck"],
      "NpcName (custom name)": "Medium Guard",
      "NpcCount (number of guards to spawn)": 8,
      "NpcHealth (health guards spawn with)": 150.0,
      "NpcRoamRadius (npc roam radius)": 10.0,
      "NpcLookRadius (npc look radius)": 100.0,
      "NpcAttackRadius (npc attack radius)": 100.0,
      "CargoSpeed (time cargo plane will drop in seconds)": 120.0,
      "MarkerColor (marker color)": "#eddf45",
      "MarkerBorderColor (marker border color)": "#000000",
      "MarkerOpacity (marker opacity)": 0.9,
      "UseLoot (use custom loot table)": true,
      "MaxLootItems (max items to spawn in crate)": 8,
      "CustomLoot (items to spawn in crate)": [      
    {
         "Shortname": "rifle.ak",
         "MinAmount": 1,
         "MaxAmount": 1
       },
       {
         "Shortname": "ammo.rocket.basic",
         "MinAmount": 3,
         "MaxAmount": 4
       },
       {
         "Shortname": "rifle.lr300",
         "MinAmount": 1,
         "MaxAmount": 1
       },
       {
         "Shortname": "rifle.bolt",
         "MinAmount": 1,
         "MaxAmount": 1
       },
       {
         "Shortname": "rifle.l96",
         "MinAmount": 1,
         "MaxAmount": 1
       },
       {
         "Shortname": "explosive.timed",
         "MinAmount": 2,
         "MaxAmount": 4
       },

       {
         "Shortname": "supply.signal",
         "MinAmount": 1,
         "MaxAmount": 1
       },
       {
         "Shortname": "targeting.computer",
         "MinAmount": 1,
         "MaxAmount": 2
       }
    ]
   },
   {
     "EventDuration (duration the event will be active for)":1300.0,
     "EventName (event name)": "Hard Level",
     "AutoHack (enables auto hacking of crates when an event is finished)": true,
     "AutoHackSeconds (countdown for crate to unlock in seconds)": 60.0,
     "UseKits (use custom kits plugin)": true,
     "Kits (custom kits)": ["hck"],
     "NpcName (custom name)": "Hard Crate Guard",
     "NpcCount (number of guards to spawn)": 5,
     "NpcHealth (health guards spawn with)": 200.0,
     "NpcRadius (max distance guards will roam)": 35.0,
     "NpcAggression (max aggression distance guards will target)": 170.0,
     "MarkerColor (marker color)": "#3060d9",
     "MarkerBorderColor (marker border color)": "#000000",
     "MarkerOpacity (marker opacity)": 0.9,
     "UseLoot (use custom loot table)": true,
     "MaxLootItems (max items to spawn in crate)": 12,
     "CustomLoot (items to spawn in crate)": [
      {
         "Shortname": "rifle.ak",
         "MinAmount": 1,
         "MaxAmount": 1
       },
       {
         "Shortname": "ammo.rocket.basic",
         "MinAmount": 3,
         "MaxAmount": 5
       },
       {
         "Shortname": "rifle.lr300",
         "MinAmount": 1,
         "MaxAmount": 1
       },
       {
         "Shortname": "rifle.bolt",
         "MinAmount": 1,
         "MaxAmount": 1
       },
       {
         "Shortname": "rifle.l96",
         "MinAmount": 1,
         "MaxAmount": 1
       },
       {
         "Shortname": "lmg.m249",
         "MinAmount": 1,
         "MaxAmount": 1
       },
       {
         "Shortname": "explosive.timed",
         "MinAmount": 3,
         "MaxAmount": 5
       },
       {
         "Shortname": "autoturret",
         "MinAmount": 1,
         "MaxAmount": 2
       },
       {
         "Shortname": "metal.fragments",
         "MinAmount": 1000,
         "MaxAmount": 6000
       },

      {
         "Shortname": "hq.metal.ore",
         "MinAmount": 500,
         "MaxAmount": 2000
       },
       {
         "Shortname": "supply.signal",
         "MinAmount": 1,
         "MaxAmount": 1
       },
       {
         "Shortname": "targeting.computer",
         "MinAmount": 1,
         "MaxAmount": 2
       }
    ]
   },

Got an error (jason validator) for the comma you have on the last line (194) try removing it .
my eof is
"Shortname": "targeting.computer",
"MinAmount": 1,
"MaxAmount": 2
}
]
}
]
}


And remember if you are editing a DATA file you must unload the plugin/edit/save reload