Cupboard limiter issue

Im using plugin called cupboard limiter, for example player able to build max 5 tc, so when player trying to build cupboard number 6 i have error spam results:

Failed to run a 1.00 timer in 'RaidProtection v3.4.5' (NullReferenceException: Object reference not set to an instance of an object)
  at Oxide.Plugins.RaidProtection+ProtectedCupboardManager.Transfer (Oxide.Plugins.RaidProtection+ProtectedEntity oldTc, BaseEntity newEntity) [0x00000] in <75def44a99184e56889d5d3c7e1cdefc>:0 
  at Oxide.Plugins.RaidProtection+<>c__DisplayClass131_0.<OnEntitySpawned>b__1 () [0x00000] in <75def44a99184e56889d5d3c7e1cdefc>:0 
  at Oxide.Core.Libraries.Timer+TimerInstance.FireCallback () [0x00018] in <cd7231f30b444d86bc6cca8a53cdd2ea>:0 

Some players dumb like my shoe and spamming it like 100 times by trying to place tc that no more able to.... By any chance to dissable this error print ?