2015-02-10 23:52:15.085 - Thread: 39 -> CheckAndDisableTurrets(): System.InvalidOperationException: Collection was modified; enumeration operation may not execute.
at System.Collections.Generic.HashSet`1.Enumerator.MoveNext()
at 91D02AC963BE35D1F9C1B9FBCFE1722D.90EEEB83794016DCC5702A04E8A81212.6E272D361DDA95C56A51FC023CF78511(HashSet`1 617C65251A1E9638B0D6303BB7250F68, Func`2 A21F1357B3120C7B56E81B0E31A9BD4C)
at EssentialsPlugin.EntityManagers.TurretManagement.CheckAndEnableTurrets()
I received this exception yesterday: