can not check out the souce

[/kl春花/kl]

hi,
   i am new using bazaar on windows,i have a problem , when i check out the souce in lp:~mysql/mysql-connector-cpp/trunk,i got some error message that "You have not informed bzr of your Launchpad ID, and you must do this to 
write to Launchpad or access private data. See "bzr help launchpad-login"" and bzr: ERROR: Invalid url supplied to transport: "bzr+ssh://bazaar.launchpad.net/~mysql/mysql-connector-cpp/trunk%0A": no supported schemes.
 
but the ardress is surely ok,because i got that from the project offical page,so anybody can help,thanks.
 
                                                                                                                                                                                                                                                                                                              tengfei li
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