strange error on re-installation

Hi,

i've this error (with airtime-liquidsoap overload) :

2012-05-06 11:30:44,855 DEBUG - [pypo-notify.py : notify_liquidsoap_status() : line 89] - # Calling server to update liquidsoap status    #
2012-05-06 11:30:44,855 DEBUG - [pypo-notify.py : notify_liquidsoap_status() : line 90] - #################################################
2012-05-06 11:30:44,855 DEBUG - [pypo-notify.py : notify_liquidsoap_status() : line 91] - msg = OK
2012-05-06 11:30:44,856 DEBUG - [api_client.py : notify_liquidsoap_status() : line 590] - http://localhost:80/api/update-liquidsoap-status/format/json/api_key/LI49XERNMHSKUT69O7Y9/msg/OK/stream_id/1/boot_time/1336296404.18
2012-05-06 11:31:00,053 DEBUG - [pypo-notify.py : notify_liquidsoap_status() : line 93] - Response: null
2012-05-06 11:31:00,635 DEBUG - [pypo-notify.py : notify_liquidsoap_status() : line 88] - #################################################
2012-05-06 11:31:00,636 DEBUG - [pypo-notify.py : notify_liquidsoap_status() : line 89] - # Calling server to update liquidsoap status    #
2012-05-06 11:31:00,636 DEBUG - [pypo-notify.py : notify_liquidsoap_status() : line 90] - #################################################
2012-05-06 11:31:00,636 DEBUG - [pypo-notify.py : notify_liquidsoap_status() : line 91] - msg = could not write data to host: Broken pipe in write()
2012-05-06 11:31:00,637 DEBUG - [api_client.py : notify_liquidsoap_status() : line 590] - http://localhost:80/api/update-liquidsoap-status/format/json/api_key/LI49XERNMHSKUT69O7Y9/msg/could not write data to host: Broken pipe in write()/stream_id/1/boot_time/1336296404.18

any idea ?