Looks like the Hubris Blood Merchant has a conflict with the Thieving Mod
https://steamhost.cn/steamcommunity_com/sharedfiles/filedetails/?id=2252883637

03:31:18.622 ERROR Reliquary> Unknown class seeing Rustam's Pendant.
03:34:47.653 ERROR core.CardCrawlGame> Exception caught
java.lang.ClassCastException: com.evacipated.cardcrawl.mod.hubris.rooms.BloodShopRoom cannot be cast to com.megacrit.cardcrawl.rooms.ShopRoom
at thieving_mod.patches.NoMerchantHoverEffectPatch.instrumentCondition(NoMerchantHoverEffectPatch.java:32) ~[thieving_mod.jar:?]
at com.megacrit.cardcrawl.shop.Merchant.render(Merchant.java:208) ~[?:?]
at com.evacipated.cardcrawl.mod.hubris.rooms.BloodShopRoom.render(BloodShopRoom.java:76) ~[Hubris.jar:?]
at com.megacrit.cardcrawl.dungeons.AbstractDungeon.render(AbstractDungeon.java:2678) ~[?:?]
at com.megacrit.cardcrawl.core.CardCrawlGame.render(CardCrawlGame.java:437) [?:?]
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:?]
Controllers: removed manager for application, 0 managers active
Game closed.