Nevinyrral, Urborg Tyrant Phyrexian altar loop stacktrace

Occurs when play testing on self hosted server, while looping zombie tokens through Phyrexian Altar to recast Nevinyrral, Urborg Tyrant or activate abilities after so many sacs this error occurs.

`Game exception occurred: java.util.ConcurrentModificationException
Server version: 1.4.47V1 (build: 2020-12-28 22:25)
java.util.ArrayList$Itr.checkForComodification(ArrayList.java:909)
java.util.ArrayList$Itr.next(ArrayList.java:859)
mage.abilities.AbilitiesImpl.(AbilitiesImpl.java:35)
mage.abilities.AbilitiesImpl.copy(AbilitiesImpl.java:42)
mage.abilities.AbilitiesImpl.copy(AbilitiesImpl.java:21)
mage.MageObjectImpl.(MageObjectImpl.java:72)
mage.cards.CardImpl.(CardImpl.java:119)
mage.game.permanent.PermanentImpl.(PermanentImpl.java:123)
mage.game.permanent.PermanentToken.(PermanentToken.java:37)
mage.game.permanent.PermanentToken.copy(PermanentToken.java:101)
mage.game.permanent.PermanentToken.copy(PermanentToken.java:15)
mage.game.GameImpl.getLastKnownInformation(GameImpl.java:2908)
mage.game.GameImpl.getObject(GameImpl.java:374)
mage.abilities.AbilityImpl.hasSourceObjectAbility(AbilityImpl.java:970)
mage.abilities.AbilityImpl.isInUseableZone(AbilityImpl.java:927)
mage.abilities.StaticAbility.isInUseableZone(StaticAbility.java:36)
mage.abilities.effects.ContinuousEffects.getLayeredEffects(ContinuousEffects.java:186)
mage.abilities.effects.ContinuousEffects.apply(ContinuousEffects.java:1061)
mage.game.GameState.applyEffects(GameState.java:599)
mage.game.GameImpl.applyEffects(GameImpl.java:1562)
mage.game.GameImpl.playPriority(GameImpl.java:1363)
mage.game.turn.Step.priority(Step.java:61)
mage.game.turn.Phase.playStep(Phase.java:184)
mage.game.turn.Phase.play(Phase.java:89)
mage.game.turn.Turn.play(Turn.java:127)
mage.game.GameImpl.playTurn(GameImpl.java:897)
mage.game.GameImpl.play(GameImpl.java:809)
mage.game.GameImpl.start(GameImpl.java:794)
mage.server.game.GameWorker.call(GameWorker.java:34)
java.util.concurrent.FutureTask.run(FutureTask.java:266)
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
java.util.concurrent.ThreadPoolExecutor$Work`