Probably because of how that mod works under the hood, treating them as psuedo-animals or something? You could try 2 things: 1.) if you see the ships are listed as mountable species in the mod options, uncheck it. If not, disable the caravans module in the meantime until a fix can be put together.

Btw I didnt see any errors in the log related to giddyup.

Was actually meaning to try that mod out anyway, gave me an excuse to. Just took it for a spin now and didn't seem to encounter any issues with it? Had several ships come and go.

You do have a lot of error like this though:

Failed to find RimWorld.TraderKindDef named QXIGC_RogueTrader. There are 159 defs of this type loaded.

So it's no wonder it's not working. Try reinstalling that trader ship mod or something.

I'll try that but i also recently clean installed everything by deleting all mods and base game + dlcs and then reinstalled everything, so im not sure why the defs are messed up