Unofficial Skyrim Special Edition Patch

I've had this problem on a previous character, only this time I'm trying to do the quest before completing the Dawnguard questline, which I thought might be the problem. Now I'm on a different character and the problem still persists. If I ask other Dawnguard members "What can I do to help?", they give me the option to talk to Sorine about her crossbow project and either Gunmar, Florentius or Isran, but once I complete Sorine's quest, the miscellaneous objective to talk to her doesn't go away, and I can't ask her "What can I do to help?" in order to get another quest; the dialogue option to turn in the quest also doesn't go away even though I've already completed it. On my last character, I was unaware of the bug and completed the first "Ancient Technology" quest, then moved on to helping other Dawnguard members without going back to Sorine, but eventually got pointed back to her anyway, and it basically blocked me from completing any more side quests for Gunmar, Florentius or Isran. I'm on PS5 and I've tried disabling the Unofficial Skyrim Patch, disabling some of my mods, even tried using a quest stage mod that would supposedly help resolve the bug, but nothing works! I'm at my wits end here! Anyone have any solutions or experiencing the same problem?