Error connecting with Twitter

I have may be the same problem:

2 tweets with success and then errors. here is Log:

9-05-2015 12:04:44 PM Post Народное средство от простуды – шишки. has been successfully sent to Twitter.
9-05-2015 08:04:50 PM Post Чувство безопасности в общественном туалете has been successfully sent to Twitter.
10-05-2015 04:05:10 AM Connection error: {“errors”:[{“code”:226,”message”:”This request looks like it might be automated. To protect our users from spam and other malicious activity, we can’t complete this action right now. Please try again later.”}]}
10-05-2015 01:05:30 PM Connection error: {“errors”:[{“code”:226,”message”:”This request looks like it might be automated. To protect our users from spam and other malicious activity, we can’t complete this action right now. Please try again later.”}]}
10-05-2015 06:04:51 PM Connection error: {“errors”:[{“code”:226,”message”:”This request looks like it might be automated. To protect our users from spam and other malicious activity, we can’t complete this action right now. Please try again later.”}]}