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Alexander Bettios asked

What Causes 503 Errors Saying "Unable to contact server"?

Info:
  • Unreal Engine source build (4.25-plus branch)
  • Plugin is installed from the Marketplace

When I tried using LoginWithCustomID last night and this morning, the return is all of a sudden giving me a 503 error saying that it "Could not contact server" and then the game crashes with a fatal error. It is not just my computer either, my testers have the same issue.

Nothing has changed except a title ID (now it's 3C019) but that has assuredly been changed everywhere it needs to be.

What causes this error and how do I fix it?

Thanks,

-Alex

apisunreal
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Alexander Bettios answered

SOLVED: In the Project Settings, under PlayFab, I had added the title ID to the "Production Endpoint Url" field. I changed it back to ".playfabapi.com" and everything is working fine.

Whoops.

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