Apologies if that is just telling you a bunch of stuff you already know or doesn’t help with your challenge!
No apology necessary. On the contrary, thank you for sharing your experience from ingame. I had never had to consider the Pala until now and therefore had not played it. Yesterday I found a post on the internet that said that a Paladin who breaks his oath below level three immediately becomes an Oathbreaker, at leat, at level 3 (unfortunately I can't find the source anymore). This confused me because I didn't know if I would then have no longer the spellcasting ability available like I did back in BG 1/2.