03:47:12.532 ERROR core.CardCrawlGame> Exception caught
java.lang.IllegalArgumentException: n must be positive
at com.badlogic.gdx.math.RandomXS128.nextLong(RandomXS128.java:110) ~[desktop-1.0.jar:?]
at com.badlogic.gdx.math.RandomXS128.nextInt(RandomXS128.java:99) ~[desktop-1.0.jar:?]
at com.megacrit.cardcrawl.random.Random.random(Random.java:52) ~[desktop-1.0.jar:?]
at valiant.relics.PrayerBeads.returnTruly1Cost(PrayerBeads.java:82) ~[TheValiant.jar:?]
at valiant.relics.PrayerBeads.onPlayCard(PrayerBeads.java:44) ~[TheValiant.jar:?]
at com.megacrit.cardcrawl.actions.GameActionManager.getNextAction(GameActionManager.java:227) ~[?:?]
at com.megacrit.cardcrawl.actions.GameActionManager.update(GameActionManager.java:151) ~[?:?]
at com.megacrit.cardcrawl.rooms.AbstractRoom.update(AbstractRoom.java:280) ~[?:?]
at com.megacrit.cardcrawl.dungeons.AbstractDungeon.update(AbstractDungeon.java:2604) ~[?:?]
at com.megacrit.cardcrawl.core.CardCrawlGame.update(CardCrawlGame.java:876) ~[?:?]
at com.megacrit.cardcrawl.core.CardCrawlGame.render(CardCrawlGame.java:427) [?:?]
at com.badlogic.gdx.backends.lwjgl.LwjglApplication.mainLoop(LwjglApplication.java:225) [?:?]
at com.badlogic.gdx.backends.lwjgl.LwjglApplication$1.run(LwjglApplication.java:126) [desktop-1.0.jar:?]

This is one of the errors I found; most of them seem to be much the same. Seems to be an issue with a relic from the Valiant mod..?
EDIT: I checked through each log, and the error that comes up is the same for each crash. I don't even remember having the Prayer Beads at all..