Failed to run a 10.00 timer in 'LootBouncer v1.0.2' (NullReferenceException: Object reference not set to an instance of an object)
  at LootContainer.OnKilled (HitInfo info) [0x00007] in <253a3d0632244e71aab7d50c32005566>:0
  at BaseCombatEntity.Die (HitInfo info) [0x00062] in <253a3d0632244e71aab7d50c32005566>:0
  at Oxide.Plugins.LootBouncer+c__AnonStorey0.<>m__0 () [0x0004f] in <15a5ff21a98441039a8a0fcf52c4b556>:0
  at Oxide.Core.Libraries.Timer+TimerInstance.FireCallback () [0x00018] in :0

23:11 [Error] Failed to run a 30.00 timer in 'LootBouncer v1.0.1' (NullReferenceException: Object reference not set to an instance of an object)
  at LootContainer.OnKilled (HitInfo info) [0x00007] in <253a3d0632244e71aab7d50c32005566>:0 
  at BaseCombatEntity.Die (HitInfo info) [0x00062] in <253a3d0632244e71aab7d50c32005566>:0 
  at Oxide.Plugins.LootBouncer+<OnLootEntityEnd>c__AnonStorey0.<>m__0 () [0x0004f] in <543e4d9198b240c9854f555b57a98f15>:0 
  at Oxide.Core.Libraries.Timer+TimerInstance.FireCallback () [0x00018] in <b0a93b504f034a0db8b1c3d2503c0987>:0 

Same here...

Failed to run a 0.00 timer in 'LootBouncer v1.0.2' (NullReferenceException: Object reference not set to an instance of an object)
  at LootContainer.OnKilled (HitInfo info) [0x00007] in <253a3d0632244e71aab7d50c32005566>:0
  at BaseCombatEntity.Die (HitInfo info) [0x00062] in <253a3d0632244e71aab7d50c32005566>:0
         1kb/s in, 6kb/s out
  at Oxide.Plugins.LootBouncer+<OnLootEntityEnd>c__AnonStorey0.<>m__0 () [0x0004f] in <2a9088712c5d4980a3531a2e890bfe26>:0
  at Oxide.Core.Libraries.Timer+TimerInstance.FireCallback () [0x00018] in <b0a93b504f034a0db8b1c3d2503c0987>:0

Please use the v1.0.3
Your version is too old