NativeMultiHashMap<int,int> OnEnterCollisions = new...tempjob
NativeMultiHashMap<int,int> OnExitCollisions = new...tempjob

foreach (var detector in AllDetectors)
        {
            var allNewEnters = OnEnterCollisions.GetValuesForKey(detector.Key);
            var allNewExits = OnExitCollisions.GetValuesForKey(detector.Key);
            while (allNewEnters.MoveNext())
            {
                detector.Value.OnTargetEnter(allNewEnters.Current);      <==== not the problem, occurs even with no function called
            }

            while (allNewExits.MoveNext())
            {
                detector.Value.OnTargetExit(allNewExits.Current);        <==== not the problem, occurs even with no function called
            }
        }