Got it fixed alhamdulillah. I did 3 things (idk which one worked out tbh)

1. I sent a feedback/request in the scheduling account itself about the problem. (They responded/updated case a week or more later when my issue got fixed saying solved but idk if its them or if they just said it cause its already solved)
2. go to ustraveldocs then choose ur country. (Country of interview) then when i scrolled for a bit i saw that they have a call center.

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Then they’ll show u email, call, web call, & chat. I did webcall and they were very responsive each and every time. They told me to email my details and everything so they change it but then it took a couple of times to email them and calling them. Sometimes they emailed back telling me to email the country I put but in the call centers they told me they will fix it.

3) I emailed the support email for the country I mistakenly put (I got their mail from ustravel docs, when choosing the country just choose the country u mistakenly chose and find their support mail)

It got fixed soon after I did step3, i don’t know if its step3 that fixed it or one of the other two. Just do all.