This thread contains error codes you may encounter while playing or trying to connect. Error codes send by Wiimmfi at login: Special error codes for console activation: Search error codes here: Wiimmfi and Nintendo WFC error codes Additional error codes: Error Code 60000 -- Didn't input FC. Please see this thread for more information: Error Code 60000: What it is and how to add? Error Code 61010 -- Wiimmfi is down or unable to connect to the servers. Error Code 20100 -- Internet connection failure, try reconnecting or erase your internet settings from the Wii System and re-enter them again, then try connecting to Wiimmfi. Error Code 51330 -- Most likely, the password or key (also known as a WPA or WEP key) for your wireless router that was entered into the Wii console is incorrect. Error Code 23918 -- Wiimmfi access denied (maybe standard NAND of Dolphin). Error Code 61070 -- Timeout occurred while connectuing the GPSP server. Error Code 91010 -- Disconnect from or by GPCM, or GPCM sent an error message. (also sometimes a kick or ban) Error Code 81010 -- GPCM error during matchmaking (also soemtimes a kick or ban) Error Code 84020 -- MASTER server is down or UDP packets are being blocked. Error Code 85020 -- MASTER server is down. Error Code 23904 -- Wiimmfi: You have to update Mario Kart Wii with the new patcher.