INVALID_PASS - The pass data is missing, empty, or not in a recognized
wallet pass format (neither a base64-encoded .pkpass nor a JWT).UNSUPPORTED_VERSION - The pass version is not supported (iOS only).ERR_WALLET_NOT_AVAILABLE - Wallet app is not available on the device.ERR_WALLET_ACTIVITY_NULL - Android-specific: Activity context is null.ERR_WALLET_MULTIPLE_NOT_SUPPORTED - Android-specific: the Google Wallet
API only accepts a single JWT per call. Combine multiple passes into one
JWT on your server before calling addPasses.ERR_WALLET_IN_PROGRESS - A previous add-pass call is still awaiting a
result. Wait for it to resolve or reject before issuing another.ERR_WALLET_UNKNOWN - An unexpected error occurred.
Error codes that can be returned by wallet operations.