Me and my friends are completing the storyline for prominence 2 forge mod. In doing so, we were fighting the bosses in order and we recently fought the Nether Gauntlet Herald after fighting the lich and demon king. However, even though we were able to complete the boss, our questbook only shows a grey checkmark instead of a green checkmark. So we are not able to receive our rewards or any other rewards beyond that boss. On the questbook page, it says 100% but still only shows a grey checkmark. We are lost and not sure how to fix it. Requesting any kind of help please.