问GME 进入房间 返回错误： ShowWarnning : join room failed, err:10001, errInfo:invalid string room id

string sRoomID = roomID; 
 ITMGRoomType roomtype = ITMGRoomType.ITMG_ROOM_TYPE_FLUENCY;
 byte[] authBuffer = UserConfig.GetAuthBuffer(UserConfig.GetAppID(), UserConfig.GetUserID(), sRoomID);
 ITMGContext.GetInstance().EnterRoom(sRoomID, roomtype, authBuffer);
 dwSdkAppid = 1400089356, strRoomID = 42949672960122, dwExpTime = 2100000000, dwAuthBits = 4294967295
 authBuffer size = 64

 进入房间 返回错误：

ShowWarnning : join room failed, err:10001, errInfo:invalid string room id