Odd, I've not heard of anyone having that issue before. If you post the save on the Discord server then I can take a look at it.
I can't. The discord invitation above is expired. I will post the save below (Apologies for the very long message):
0.4.5.20;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
That save string is 6169 characters long. All Base64-encoded strings have to be a multiple of 4 characters long, so the closest it should be is either 6168 or 6172 characters. I tried writing a quick test which runs through the entire string, removing each character and testing if that makes it valid, but no luck there. So either you accidentally deleted/didn't copy 3 or more characters, or at least 5 characters were accidentally added.
FWIW, the discord link is set to never expire, and still works for me. I have had people have issues with it before though. I believe if you open discord, click the + button at the bottom of the server list, then "Join a Server" at the bottom and paste the link it, then it should work. Among other things, the discord has a save bank. It doesn't cover everything, but if you don't have any other saves backed up, it should get you close to where you were.