the connection icon is blue, but the messages aren't arriving/sending
here is a part of my log:
31/03/16 10:05:34 Checking processes... not working
31/03/16 10:05:34 MESSAGES: 0 - READ: 0
31/03/16 10:05:34 Reading data...
31/03/16 10:05:34 INCOMING:
<message from="*****-*****@g.us" id="2AE785AD684B10C16534C52A525B67" notify="Wolf�" offline="2" participant="*****@s.whatsapp.net" t="1459263533" type="text">
<enc type="skmsg" v="2">
3î¦ AiP�q��}n/̱���(!N��2�F��M�NZZ
(ͷ���݃@�w��������L)5 �:H9�
F�F���⠎�A��[͌���a��7˰�L�����y%�! t�4z���3l���bj�jB��� �էg�9O�U���
</enc>
</message>

31/03/16 10:05:34 Encoding message from *****-*****@g.us
31/03/16 10:05:34 OUTGOING:
<receipt id="2AE785AD684B10C16534C52A525B67" to="*****-*****@g.us" type="error">
<error type="plaintext-only">
</error>
</receipt>

31/03/16 10:05:34 Checking processes... not working
31/03/16 10:05:34 MESSAGES: 0 - READ: 0
31/03/16 10:05:34 Reading data...
31/03/16 10:05:34 INCOMING:
<iq from="s.whatsapp.net" id="config_1" type="result">
</iq>

31/03/16 10:05:34 Checking processes... not working
31/03/16 10:05:34 MESSAGES: 0 - READ: 0
31/03/16 10:05:34 Reading data...
31/03/16 10:05:34 INCOMING:
<iq from="s.whatsapp.net" id="get_server_properties_2" type="error">
<error code="501" text="feature-not-implemented">
</error>
</iq>