Cause:
java.lang.NumberFormatException: For input string: "?"1""
at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
at java.lang.Integer.parseInt(Integer.java:580)
at java.lang.Integer.valueOf(Integer.java:766)
at com.megacrit.cardcrawl.helpers.Prefs.getInteger(Prefs.java:35)
at com.megacrit.cardcrawl.unlock.UnlockTracker.isCardSeen(UnlockTracker.java:851)
at basemod.patches.com.megacrit.cardcrawl.helpers.CardLibrary.AddSwitch.Insert(AddSwitch.java:25)
at com.megacrit.cardcrawl.helpers.CardLibrary.add(CardLibrary.java:986)
at basemod.patches.com.megacrit.cardcrawl.helpers.CardLibrary.CustomCardsPatch.Insert(CustomCardsPatch.java:21)
at com.megacrit.cardcrawl.helpers.CardLibrary.initialize(CardLibrary.java:419)
at com.megacrit.cardcrawl.core.CardCrawlGame.create(CardCrawlGame.java:282)
at com.badlogic.gdx.backends.lwjgl.LwjglApplication.mainLoop(LwjglApplication.java:149)
at com.badlogic.gdx.backends.lwjgl.LwjglApplication$1.run(LwjglApplication.java:126)