09:48:33 Unhandled Exception Error:
System.InvalidOperationException: Collection was modified; enumeration operation
 may not execute.
   at System.Collections.ArrayList.ArrayListEnumeratorSimple.MoveNext()
   at DOL.GS.PacketHandler.PacketLib173.SendUpdateIcons() in D:\devel\svn-cl-sha
gz\DAOCGameServer\packets\PacketLib173.cs:line 61
   at DOL.GS.Effects.GameEffectList.OnEffectsChanged() in D:\devel\svn-cl-shagz\
DAOCGameServer\effects\GameEffectList.cs:line 124
   at DOL.GS.Effects.GameSpellEffect.Overwrite(GameSpellEffect effect) in D:\dev
el\svn-cl-shagz\DAOCGameServer\effects\GameSpellEffect.cs:line 191
   at DOL.GS.Spells.SpellHandler.ApplyEffectOnTarget(GameLiving target, Double e
ffectiveness) in D:\devel\svn-cl-shagz\DAOCGameServer\spells\SpellHandler.cs:lin
e 1027
   at DOL.GS.Spells.AbstractDamageAddSpellHandler.ApplyEffectOnTarget(GameLiving
 target, Double effectiveness) in D:\devel\svn-cl-shagz\DAOCGameServer\spells\Da
mageAddAndShield.cs:line 205
   at DOL.GS.Spells.SpellHandler.StartSpell(GameLiving target) in D:\devel\svn-c
l-shagz\DAOCGameServer\spells\SpellHandler.cs:line 902
   at DOL.GS.Spells.AbstractDamageAddSpellHandler.StartSpell(GameLiving target)
in D:\devel\svn-cl-shagz\DAOCGameServer\spells\DamageAddAndShield.cs:line 195
   at DOL.GS.Spells.SpellHandler.OnSpellPulse(PulsingSpellEffect effect) in D:\d
evel\svn-cl-shagz\DAOCGameServer\spells\SpellHandler.cs:line 100
   at DOL.GS.Effects.PulsingSpellEffect.SpellPulseCallback(Object callingTimer)
in D:\devel\svn-cl-shagz\DAOCGameServer\effects\PulsingSpellEffect.cs:line 67
   at System.Threading._ThreadPoolWaitCallback.WaitCallback_Context(Object state
)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, C
ontextCallback callback, Object state)
   at System.Threading._ThreadPoolWaitCallback.PerformWaitCallback(Object state)