There seems to be some incompatibility with the nexus mod, the error I'm getting is just the following:
Failed to load mods:
• interstellar-travel
• Incompatible with Nexus
Hopefully there is something to solve this issue.

Nexus is essentially a competing mod. It attempts to do something similar. So, you have to pick one of the other.

Are you sure you don't have it confused with another mod. Nexus adds a planet and extend game play based around promethium.

You might be thinking of Starmap: Nexuz witch adds the nuxuz galaxy and moves modded planets into it.

https://mods.factorio.com/mod/Starmap_Nexuz

The is the one we are referring to is this mod.

https://mods.factorio.com/mod/Nexus

Nexus replaces vanilla content. I have no plans to support it, but you are welcome to make a PR to add support yourself.

From what you posted over there is was cause Nexus touched the shattered planet. Witch it no longer does under my assumption. The author of that mod was working on fixing it for compatibility with your mod. Witch you blocked as they pushed a fix.

https://mods.factorio.com/mod/Nexus/discussion/6843e1f50a7943a4ff824012

But. It's your mod. So your call.

Yeah, I did mean to mark Nexuz as incompatible, not Nexus. Poorly named. lol

it's cool.

If Shattered Planet is no longer touched by that mod, it will "just work" if the incompatibility is changed is changed from Nexus to Starmap_Nexuz here. Any one is welcome to make a PR, otherwise, I will get around to it eventually after Shattered Planet is no longer touched.

Someone probably should make a compatibility patch though to move the Nexus planet to Jarbid though, so it is not in the Nauvis system. That is add the mod ID (Nexus) to this table and then create a file with that mod ID here that just moves the planet to the new start via PlanetLib (all of the other planets are great examples of what to do).

It is all automated so if someone makes a PR on GitHub, I can merge it and it will auto-publish to Factorio mods.

I'll make a compatibility patch and push a pr for it later. Unless the the author of nexus does it first.

i submitted the pr. nexus is in jarbid and everything is working. also made sure the star paths and placement didnt conflict with other mods like Metal and Star or Dea Dia System.

Nexus added Nexus, Ort cloud, and Sol as locations.

Fix should be published. Let me know if you have any issues with it.