I sent SDS an email last night, detailing (accurately) what is happening in this scenario. I said:
I appreciate the quick and detailed response, especially given how busy you all are right now. I have run into an unfortunate issue on the site. I sign in with my The Show Online account and from the dashboard, I can see my stubs, team, game history, etc. However, I have tried to unlink my Xbox account as I'm not going to use it, and the site immediately signs me out. While I'm logged into my The Show Online account, it says that my PSN is linked to the account. When I sign into my PSN account on theshow.com, it says that it is not linked. When I log into my The Show Online account, it also says the account itself is not connected, nor does it say "current session." I'm not sure why this is the case.
I followed the steps of attempting to link my account via the in-game menu with a code. When I input the code, it gives me an error message stating "An error occurred: Platforms match so can not be linked." Last night I was just simply receiving a message that stated an error occurred. I'm at a point in which my The Show Online account states my PSN is linked, however, it is clearly not and when I attempt to link my PSN, I just get an error message. I'm not sure what it says on your end, but at this moment I don't have the ability to link my account as an error occurs every time. I know I'm not the only person with this issue as the subreddit and community forums are littered with individuals with the same issue. I cannot unlink anything as it signs me out and when I do attempt to link, I receive an error message every time.
I also attached screenshots from my end as well.
I just got an email from SDS saying: Hello,
Thank you for your email.
The team is aware of this issue and is currently working to resolve this. Thank you for your continued patience.
Hopefully this gets resolved soon!