A Work loop error ！！！

[hsw138]

In the REDCAVE01 map, use the mage profession to summon heroes, adjust the attack mode to all, first use the magic shield, then quickly consume 2 bottles of HP potion in Beltcell around the monster, and continuously use the skill FlameField. Repeating this operation will cause the server to crash, resulting in an error:
[Work loop error Thread 1342]System.NullReferenceException: Object reference not set to an instance of an object.
at Server.MirEnvir.Map.CompleteMagic(IList`1 data) in E:\legend\mir2-main\Server\MirEnvir\Map.cs:line 1342
at Server.MirEnvir.Map.Process(DelayedAction action) in E:\legend\mir2-main\Server\MirEnvir\Map.cs:line 820
at Server.MirEnvir.Map.Process() in E:\legend\mir2-main\Server\MirEnvir\Map.cs:line 759
at Server.MirEnvir.Envir.WorkLoop() in E:\legend\mir2-main\Server\MirEnvir\Envir.cs:line 651
The error code is:# region ThunderStorm
case Spell.ThunderStorm:
case Spell.FlameField:
case Spell.NapalmShot:
//case Spell. StormEscape:
value = (int)data[2];
location = (Point)data[3];
for (int y = location.Y - 2; y <= location.Y + 2; y++)
{
if (y < 0) continue;
if (y >= Height) break;
for (int x = location.X - 2; x <= location.X + 2; x++)
{
if (x < 0) continue;
if (x >= Width) break;
cell = GetCell(x, y);
if (!cell.Valid || cell.Objects == null) continue;
for (int i = 0; i < cell.Objects.Count; i++) //
{
MapObject target = cell.Objects[i];
switch (target.Race)
{
case ObjectType.Monster:
case ObjectType.Player:
//Only targets
if (!target.IsAttackTarget(player)) break;
target.Attacked(player, magic.Spell == Spell.ThunderStorm && !target.Undead ? value / 10 : value, DefenceType.MAC, false);
train = true;
break;
}
}
}
}
break;
#endregion