After installing a mod that adds new trinkets or cards, the repentance folder fails to reconcile the item IDs. The 167E20 suffix is a dead giveaway for an item that exists in your save file (e.g., "Cracked Dice" or "Soul of Eden") but no longer has a valid definition.
: A full alternate path with brand-new chapters, bosses, and a concluding final ending to Isaac's saga. Enhanced Variety : Contains over 5,000 new room designs The Binding of Isaac Repentance -01009CD0167E20...
The Ultimate Descent: The Binding of Isaac: Repentance (ID: 01009CD0167E2000) After installing a mod that adds new trinkets
The Repentance expansion is massive, effectively doubling the game's size compared to previous versions: The Binding of Isaac: Repentance on Steam The Binding of Isaac Repentance -01009CD0167E20...