[error code: -28error message:Loading wallet...]

So I've been trying to write a clone of Litecoin with slightly different parameters to the original, but after building when I try to RPC into it, I just get:

error code: -28
error message:
Loading wallet...

The wallet appears to be generating and importing fine, you can see this in the console output: https://pastebin.com/b8nw90zv
This is my litecoin.conf: https://pastebin.com/5izQSDyw

I have replicated this on both a dedicated Ubuntu system, and a linux for windows subsystem, and it just stays on this same message. I have left it overnight to no change. Does anyone know what this error is? Is it something fairly common? Thanks!

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