: Error rate dropped from 12% to 0.01%.

While the "extra quality" part of your query isn't a standard part of the error message, it likely refers to high-fidelity textures or "Extra Quality" settings failing to load because the game cannot verify your user stats or entitlement. Common Causes

HTTP headers or query parameters should support a Quality-Accept negotiation, where the server can respond:

If you suspect corrupted cached statistics: