Traceback for Coinking

cudaminer.log

[2014-12-13 11:43:09] 1 miner threads started, using 'scrypt' algorithm.
[2014-12-13 11:43:09] Starting Stratum on stratum+tcp://us1.coinking.io:8888
[2014-12-13 11:43:09] JSON-RPC call failed: [
   -1,
   "'vertcoin'",
   "Traceback: <type 'exceptions.KeyError'>: 'vertcoin'\n/usr/local/lib/python2.7/dist-packages/stratum/protocol.py:192:dataReceived\n/usr/local/lib/python2.7/dist-packages/stratum/protocol.py:238:lineReceived\n/usr/local/lib/python2.7/dist-packages/stratum/services.py:13:_handle_event\n/usr/local/lib/python2.7/dist-packages/stratum/services.py:81:call\n--- <exception caught here> ---\n/usr/lib/python2.7/dist-packages/twisted/internet/defer.py:139:maybeDeferred\n/usr/local/lib/python2.7/dist-packages/stratum/services.py:78:_run\n/root/custom-stratum-scryptn/mining/service.py:143:subscribe\n"
]
[2014-12-13 11:43:09] ...retry after 15 seconds
^C