OK, going through your questions: The name of the spell on the Spell tab of the sheet. It's also not just one player and has been happening for a few of my players now. In the Spell tab. It used to work fine, now it only works from the attack section of the core tab. The PC one. Haven't checked the NPC one, but will double check. Through the Charactermancer with some additional click and drag from the Compendium. Official Sheet. Nope, just Roll20. I didn't know there are things that modify Roll20, lol. Nope. Standard window. All players. It works fine on Spell Cards (e.g. Toll The Dead) but not on anything with an attack roll or straight damage/healing (e.g. Eldritch Blast, Cure Wounds). No duplicates. One thing I have noticed though, it seems to just be this one game, but we are having A LOT of issues with the sheet. Spells are getting duplicated, random blank item slots are being added... And then this. It's a really weird one...