I have the same problem
2016-08-30T14:02:34+01:00 BOT-CONFIG [admin] NAME CHAN CHANPW ANNOUNCE DESCRIPTION ANNOUNCESTR TTSURL CC OK
2016-08-30T14:02:14+01:00 BOT-CONFIG [admin] HOST CHAN CHANPW ANNOUNCE DESCRIPTION ANNOUNCESTR TTSURL CC OK
2016-08-30T14:02:06+01:00 TSClient quit.
2016-08-30T14:02:06+01:00 Fail from data reader: EOF
2016-08-30T14:02:06+01:00 Fail from voice reader: EOF
2016-08-30T14:02:05+01:00 New connection status 0; Error 1797
2016-08-30T14:02:05+01:00 The bot could not connect. This might have several reasons: the server doesn't exist at that address, the server password is wrong, the default channel doesn't exist, the bot has been banned, the server is an illegal installation or the password is wrong or the security level of your identity is too low.
2016-08-30T14:02:00+01:00 New connection status 1; Error 0
2016-08-30T14:01:56+01:00 Starting instance ts3server://127.0.0.1?port=9987&nickname=TS3SB-Demobot&password=&channel=&channelpassword=
2016-08-30T14:01:54+01:00 KILL [admin] OK
2016-08-30T14:01:42+01:00 TSClient quit.
2016-08-30T14:01:42+01:00 Fail from voice reader: EOF
2016-08-30T14:01:42+01:00 Fail from data reader: EOF
2016-08-30T14:01:41+01:00 New connection status 0; Error 1797
2016-08-30T14:01:41+01:00 The bot could not connect. This might have several reasons: the server doesn't exist at that address, the server password is wrong, the default channel doesn't exist, the bot has been banned, the server is an illegal installation or the password is wrong or the security level of your identity is too low.
2016-08-30T14:01:37+01:00 New connection status 1; Error 0
2016-08-30T14:01:34+01:00 Could not send config: HTTP returned an error: Error; Code: 500; Message: Error
2016-08-30T14:01:31+01:00 Starting instance ts3server://127.0.0.1?port=9987&nickname=TS3SB-Demobot&password=&channel=&channelpassword=
2016-08-30T14:00:18+01:00 TSClient quit.
2016-08-30T14:00:18+01:00 Fail from data reader: EOF
2016-08-30T14:00:18+01:00 Fail from voice reader: EOF
2016-08-30T14:00:17+01:00 Ping failed.
2016-08-30T14:00:17+01:00 Could not request shutdown. Please make sure that the loopback interface is not firewalled; HTTP returned an error: Error; Code: 500; Message: Error
2016-08-30T14:00:15+01:00 Could not send config: HTTP returned an error: Error; Code: 500; Message: Error
2016-08-30T14:00:12+01:00 Starting instance ts3server://127.0.0.1?port=9987&nickname=TS3SB-Demobot&password=&channel=&channelpassword=
2016-08-30T14:00:12+01:00 You will see a client window pop up shortly and then disappear again. That is perfectly normal. To launch the bot, please use the webinterface.