java.lang.NullPointerException

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    • java.lang.NullPointerException at magic.model.event.MagicSourceManaActivation.canProduce(MagicSourceManaActivation.java:51) at magic.model.choice.MagicPayManaCostResultBuilder.build(MagicPayManaCostResultBuilder.java:62) at magic.model.choice.MagicPayManaCostResultBuilder.build(MagicPayManaCostResultBuilder.java:127) at magic.model.choice.MagicPayManaCostResultBuilder.build(MagicPayManaCostResultBuilder.java:127) at magic.model.choice.MagicPayManaCostResultBuilder.hasResults(MagicPayManaCostResultBuilder.java:157) at magic.model.condition.MagicManaCostCondition.accept(MagicManaCostCondition.java:28) at magic.model.event.MagicPayManaCostEvent.isSatisfied(MagicPayManaCostEvent.java:47) at magic.model.event.MagicActivation.canPlay(MagicActivation.java:108) at magic.model.event.MagicSourceActivation.canPlay(MagicSourceActivation.java:26) at magic.model.choice.MagicPlayChoice.addValidChoices(MagicPlayChoice.java:78) at magic.model.choice.MagicPlayChoice.getArtificialOptions(MagicPlayChoice.java:68) at magic.model.choice.MagicChoice.getArtificialChoiceResults(MagicChoice.java:97) at magic.model.choice.MagicChoice.getSimulationChoiceResult(MagicChoice.java:114) at magic.model.event.MagicEvent.getSimulationChoiceResult(MagicEvent.java:443) at magic.ai.MCTSAI.runSimulation(MCTSAI.java:483) at magic.ai.MCTSAI.randomPlay(MCTSAI.java:446) at magic.ai.MCTSAI.access$000(MCTSAI.java:65) at magic.ai.MCTSAI$2.run(MCTSAI.java:188) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source)
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