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The following error codes are used by the PlayFab Multiplayer, Lobby and Matchmaking APIs and can be used for debugging purposes. For diagnostics, the error messages can also be retrieved at runtime via PFMultiplayerGetErrorMessage. For additional guidance on handling these errors, check out Handling Lobby and Matchmaking C++ SDK errors

Multiplayer

Lobby

Matchmaking

PubSub

Global HRESULT error codes

The following HRESULT errors are gobal error codes and can also be raised by underlying libraries:

Global

HTTP Client

Last modified on August 3, 2026