Same here, is there any way to fix this?

This problem is essentially unsolvable. In other words, the pathfinding system and interstellar missions are in conflict with each other. I have thought of many ways to directly solve this problem, even attempting to bind all planets to a main star so that they become sub-planets (thus enabling tasks to be properly identified). However, I ultimately believe that this approach goes against the original intent of the game DLC design and would cause a multitude of issues. After discussing with myself and other mod authors, I believe that interstellar teleportation should only be performed manually, while teleportation with a pathfinding system must be done within a single planet. You can try subscribing to my latest mod "Portal Network" and combining the Anywhere Door and Warp Portal to effectively solve this problem.

Aaaah, I guessed that might be the problem. Thank you for trying to solve it. You do great work with your mods.
How do you mean combine the door and the warp portal, i cant realy see how to combine them to get the deired result.

When you need the dupe to do work on the other planet,you use warp portal to teleport manually