GetGameList failed: OperationResponse 217: ReturnCode: -2 (Unknown operation code). Parameters: {}

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hello
Photon server use "photon-server-sdk_v4-0-29-11263.exe" . Then "Photon Unity Networking" connect my server .
TypedLobby sqlLobby = new TypedLobby("myLobby", LobbyType.SqlLobby);    // same as above
string sqlLobbyFilter = "C0 = 0";   // request games with mode 0
PhotonNetwork.GetCustomRoomList(sqlLobby, sqlLobbyFilter);
received error "GetGameList failed: OperationResponse 217: ReturnCode: -2 (Unknown operation code). Parameters: {}"
Is this operation not implemented on the server side or my server outdated version?

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