SerialSnackBob

I'm not sure about the stability of the game, but maybe try turning off the TTWQO Additions and Patch and see if that helps. There was an incomplete feature/quest in that mod that caused random sex/masturbation.

For stability sake, yes. The base Fallout TTW QuestOverhaul is a much more complete package. You really shouldn't use the Addons and Patch unless you are fine restarting multiple times due to corruption, incomplete quest lines, bugs, etc.

The original scene when you meet Fawkes? Or the mod scenes?

You only need either the TTWQO Reilly patch to fix the small Reilly bug or the TTWQO Additions and Patch. Not both. The TTWQO Additions and Patch already includes the Reilly patch. TTWQO Addon and Patch was for TTW pre-3.0, if I remember correctly. There will probably be a lot of errors. Also, TTWQO Addon and Patch was unstable from the start. If anything, I'd advise not using it or the TTWQO Reilly patch and enjoy a more stable experience with the original Quest Overhaul (I believe someone updated it for the more recent versions of TTW).

The patch mod would not help in this case (in fact, it might make it worse due to the addons). Are the other options from the original mod still working pre-riot? Which version of TTW are you using?

The Finding your Friends Quest comes from TTWQO Addons and Patch mod. It was supposed to be a questline where you find your companions throughout Raven Rock. It clearly didn't work as intended (since it's seemingly assuming you have companions that you don't have).

I'm a bit rusty when it comes to Fallout New Vegas, but I don't remember if you can use MS15SydneyREF or whether you need to use the ref ID. The refID for Sydney should be XX003A77 (the XX being the load order prefix), so maybe try that? Since the variable you are trying to change is attached to the specific REF. *Edit: And yes, Sampling the Wastes is an incomplete quest.

Regarding the Sydney teleporting, I believe that was from the base TTWQO, something about her being categorized as a companion (and therefore teleporting with you every time you loaded into a new cell. I couldn't figure it out how to fix that. As for Fawkes, he/she/it was supposed to have a feature where, upon getting close to specific NPCs, he'd ask to try them out. Not sure why he is teleporting into the rocks without his gatling laser (did you do the Gauntlet mission or proceed through the Vault normally? There may be unintentional bugs from going through the Gauntlet mission).

This mod was not designed for Tales of Two Wastelands 3.0 and above (as the title says, dead and not up to date) and was based on the original TTWQO. Based on the forum posts in the Tales of Two Wasteland forums, though, it sounds like there is some minor compatibility with the updated TTWQO?

Do not use the Super Mutant Cycles. It is completely broken. I never got to try fixing it. As for Fast Traveling from Big Trouble in Big Town, that may have to do with the hidden sub-quest from this mod. I think Fast Travel was supposed to be blocked to allow the "Super Mutant Rights" quest which basically has the mutants come up to the player demanding that they "try" out any new female companions that are brought into those cells. To prevent them from chasing the player across the Wasteland (if the player fast traveled out before being talked to), fast travel I think was blocked there.

The Gauntlet was a quest added for an alternative method to get the GECK that basically skipped the Little Lamplight section. You'd talk to Marcus and he'd offer you a choice.

For the Fawkes issue, I'm wondering if it has anything to do with "The Gauntlet" quest screwing up the normal quests. Did you go through that pathline? Or did you do the vanilla questline? Now that I'm thinking about it, I remember "The Gauntlet" also doing something regarding Sydney.

Are you playing a male PC or female PC? That might help narrow down the problem. I somewhat remember hearing about Sydney's teleporting problem, but I'm not remembering exactly what caused it. I'm guessing that she was somehow put into a companion slot and never got removed upon completion of Stealing Independence. As for Fawkes, I'm not sure. I didn't have that issue when I was playing, but that was a while ago. What version of Tale of Two Wastelands are you using? This mod was based on the older version of Tale of Two Wastelands, so using the new versions might be an issue.

Go ahead and ask, it may be something I'll be able to answer/fix (if it isn't complicated)

The mod is basically dead. As for support, it depends on what you are asking for.